Summary
It was discovered that the io_uring subsystem in the Linux kernel contained
a memory leak when handling certain asynchronous commands. A local attacker
could possibly use this to cause a denial of service (memory exhaustion).
(CVE-2026-80811)
It was discovered that the io_uring subsystem in the Linux kernel did not
properly validate the size of certain query requests. A local attacker
could possibly use this to cause a denial of service (system hang).
(CVE-2026-81009)
It was discovered that the io_uring subsystem in the Linux kernel did not
properly handle canceled task work when processing certain wait operations,
leading to the operation being performed in the wrong task context. A local
attacker could possibly use this to cause a denial of service (system
crash). (CVE-2026-81010)
It was discovered that the io_uring subsystem in the Linux kernel did not
properly track buffer consumption when receiving truncated network
messages. A remote attacker could possibly use this to corrupt the receive
buffers of certain applications, resulting in a denial of service or
another unspecified impact. (CVE-2026-97618)
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- USB Gadget drivers;
- Memory management;
- Multiple devices driver;
- ARM64 architecture;
- EROFS file system;
- Network file systems library;
- Networking core;
- eXpress Data Path;
- Stream parser;
- ARM32 architecture;
- M68K architecture;
- MIPS architecture;
- OpenRISC architecture;
- PA-RISC architecture;
- PowerPC architecture;
- RISC-V architecture;
- S390 architecture;
- User-Mode Linux (UML);
- x86 architecture;
- Block layer subsystem;
- Cryptographic API;
- Compute Acceleration Framework;
- Intel NPU Driver;
- Speakup Console Speech Driver;
- ACPI drivers;
- Android drivers;
- Serial ATA and Parallel ATA drivers;
- Auxiliary display drivers;
- Drivers core;
- Micron PCIe SSD driver;
- Null block device driver;
- Ublk userspace block driver;
- Compressed RAM block device driver;
- Bluetooth drivers;
- Bus devices;
- AMD CDX bus driver;
- Hardware random number generator core;
- Character device driver;
- TPM device driver;
- Clock framework and drivers;
- Clocksource drivers;
- CPU frequency scaling framework;
- CPU idle management framework;
- Hardware crypto device drivers;
- CXL (Compute Express Link) drivers;
- DAX dirext access to differentiated memory framework;
- DIBS (Direct Internal Buffer Sharing) drivers;
- Buffer Sharing and Synchronization framework;
- DMA engine subsystem;
- DPLL subsystem;
- EDAC drivers;
- FireWire subsystem;
- ARM SCMI message protocol;
- ARM SCPI message protocol;
- Google firmware drivers;
- Qualcomm firmware drivers;
- FPGA Framework;
- GPIO subsystem;
- GPU drivers;
- HID subsystem;
- HSI subsystem;
- Microsoft Hyper-V drivers;
- Hardware monitoring drivers;
- CoreSight HW tracing drivers;
- I2C subsystem;
- I3C subsystem;
- IIO subsystem;
- IIO ADC drivers;
- InfiniBand drivers;
- Input Device core drivers;
- Input Device (Miscellaneous) drivers;
- Input Device (Mouse) drivers;
- On-Chip Interconnect management framework;
- IOMMU subsystem;
- Industry Pack bus drivers;
- IRQ chip drivers;
- Mailbox framework;
- Media drivers;
- MemoryStick subsystem;
- Multifunction device drivers;
- Analog Devices digital potentiometer driver;
- Broadcom VK accelerator driver;
- Fastrpc Driver;
- Amazon Nitro Secure Module driver;
- SGI GRU driver;
- MMC subsystem;
- MTD block device drivers;
- Network drivers;
- Ethernet bonding driver;
- Mellanox network drivers;
- Microsoft Azure Network Adapter (MANA) driver;
- STMicroelectronics network drivers;
- Texas Instruments network drivers;
- Ethernet team driver;
- MediaTek network drivers;
- Near Field Communication (NFC) drivers;
- NTB driver;
- NVDIMM (Non-Volatile Memory Device) drivers;
- NVME drivers;
- Device tree and open firmware driver;
- Operating Performance Points (OPP) driver;
- PA-RISC drivers;
- PCI subsystem;
- Performance monitor drivers;
- PHY drivers;
- Pin controllers subsystem;
- Chrome hardware platform drivers;
- Mellanox platform drivers;
- Microsoft Surface platform drivers;
- x86 platform drivers;
- MediaTek PM domains;
- Power sequencing drivers;
- Power supply drivers;
- Powercap sysfs driver;
- PTP clock framework;
- PWM drivers;
- RapidIO drivers;
- Voltage and Current Regulator drivers;
- Remote Processor subsystem;
- MPAM driver;
- RPMSG subsystem;
- Real Time Clock drivers;
- S/390 drivers;
- SCSI subsystem;
- ASPEED SoC drivers;
- Samsung SoC drivers;
- SPI subsystem;
- small TFT LCD display modules;
- Greybus lights staging drivers;
- Media staging drivers;
- Realtek RTL8723BS SDIO drivers;
- TCM subsystem;
- Trusted Execution Environment drivers;
- Thermal drivers;
- Thunderbolt and USB4 drivers;
- TTY drivers;
- UFS subsystem;
- Userspace I/O drivers;
- USB DSL drivers;
- Cypress C67X00 USB driver;
- Cadence USB3 driver;
- USB Device Class drivers;
- USB core drivers;
- DesignWare USB2 driver;
- DesignWare USB3 driver;
- USB Host Controller drivers;
- Mustek MDC800 USB digital camera driver;
- Intel La Jolla Cove Adapter USB driver;
- Intel USBIO USB I/O expander driver;
- USB Serial drivers;
- USB Mass Storage drivers;
- USB Type-C support driver;
- USB Type-C Port Controller Manager driver;
- TI TPS6598x USB Power Delivery controller driver;
- USB Type-C Connector System Software Interface driver;
- USB over IP driver;
- vDPA drivers;
- VFIO drivers;
- Virtio Host (VHOST) subsystem;
- Framebuffer layer;
- ACRN Hypervisor Service Module driver;
- Amazon Nitro Enclave
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 26.04 LTS 26.04:LTS | linux-azure | 7.0.0-1020.21 |
Vulnerabilities 500
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Critical 10.0
vxlan: use neigh_ha_snapshot() in route_shortcircuit()
In the Linux kernel, the following vulnerability has been resolved: vxlan: use neigh_ha_snapshot() in route_shortcircuit() The neighbour hardware address n->ha can be updated asynchronously by the neighbour subsystem, protected by n->ha_lock seqlock. Reading …
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Critical 10.0
veth: fix skb length accounting after XDP frag adjustment
In the Linux kernel, the following vulnerability has been resolved: veth: fix skb length accounting after XDP frag adjustment veth exposes non-linear skb fragments through an xdp_buff. If an XDP program adjusts the fragment area, veth_xdp_rcv_skb() copies xdp…
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Critical 10.0
udp: fix potential use-after-free in tunnel segmentation
In the Linux kernel, the following vulnerability has been resolved: udp: fix potential use-after-free in tunnel segmentation __skb_udp_tunnel_segment() gets the UDP header before ensuring the tunnel header is in the skb head. If the pull reallocates skb->head…
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Critical 9.8
RDMA/srpt: Fix srpt_alloc_rw_ctxs() unwind counters
In the Linux kernel, the following vulnerability has been resolved: RDMA/srpt: Fix srpt_alloc_rw_ctxs() unwind counters When srpt_alloc_rw_ctxs() fails partway through a multi-buffer indirect descriptor, the unwind path destroys RDMA contexts but leaves stale…
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Critical 9.8
vxlan: use pskb_network_may_pull() in route_shortcircuit()
In the Linux kernel, the following vulnerability has been resolved: vxlan: use pskb_network_may_pull() in route_shortcircuit() route_shortcircuit() currently calls pskb_may_pull(skb, sizeof(struct iphdr)) (or ipv6hdr), which checks if bytes are available star…
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Critical 9.8
vxlan: use pskb_network_may_pull() for transmit path header pulls
In the Linux kernel, the following vulnerability has been resolved: vxlan: use pskb_network_may_pull() for transmit path header pulls In vxlan_xmit(), arp_reduce(), and vxlan_mdb_entry_skb_get(), pskb_may_pull() was being called to verify the availability of …
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Critical 9.8
um: vector: fix use-after-free in vector_mmsg_rx()
In the Linux kernel, the following vulnerability has been resolved: um: vector: fix use-after-free in vector_mmsg_rx() When vector_mmsg_rx() discards a packet whose overlay header fails verify_header(), it frees the skb and continues the loop: if (header_chec…
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Critical 9.8
net: bridge: stop fast-leave after deleting a port group
In the Linux kernel, the following vulnerability has been resolved: net: bridge: stop fast-leave after deleting a port group br_multicast_leave_group() iterates mp->ports with pp = &p->next in its fast-leave path. After br_multicast_del_pg() removes p, contin…
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Critical 9.8
net/smc: fix socket use-after-free during link group termination
In the Linux kernel, the following vulnerability has been resolved: net/smc: fix socket use-after-free during link group termination __smc_lgr_terminate() drops conns_lock after finding a connection in lgr->conns_all, but before taking a reference on its sock…
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Critical 9.8
igbvf: Fix leak in TX DMA error cleanup
In the Linux kernel, the following vulnerability has been resolved: igbvf: Fix leak in TX DMA error cleanup If an error is encountered while mapping TX buffers, the driver should unmap any buffers already mapped for that skb. Because count is incremented befo…
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Critical 9.8
rtase: fix double free of multi-frag skb on DMA map failure
In the Linux kernel, the following vulnerability has been resolved: rtase: fix double free of multi-frag skb on DMA map failure In rtase_start_xmit(), when the head buffer DMA mapping fails after rtase_xmit_frags() has mapped all fragments, the error path cle…
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Critical 9.8
scsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer
In the Linux kernel, the following vulnerability has been resolved: scsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer iscsi_tcp_hdr_dissect() receives the data segment of several PDU types into the fixed-size conn->data buffer, whi…
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Critical 9.8
netfilter: nf_conntrack_sip: widen NAT rewrite delta to s32 in sip_help_tcp()
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_sip: widen NAT rewrite delta to s32 in sip_help_tcp() sip_help_tcp() stores the size change of each NAT-rewritten SIP message in s16 diff and accumulates it in s16 tdi…
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Critical 9.8
net: ipv6: clear suppressed fib6 rule result
In the Linux kernel, the following vulnerability has been resolved: net: ipv6: clear suppressed fib6 rule result fib6_rule_suppress() drops a suppressed route with ip6_rt_put_flags(), but leaves res->rt6 pointing at the released rt6_info. If no later rule sup…
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Critical 9.8CVE-2026-74586 Public exploit
sctp: clear new_transport when removing a peer
In the Linux kernel, the following vulnerability has been resolved: sctp: clear new_transport when removing a peer sctp_process_asconf_param() stores a newly added peer transport in asoc->new_transport. After all parameters in the ASCONF chunk have been proce…
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Critical 9.8
sctp: fix use-after-free of cached ASCONF chunk
In the Linux kernel, the following vulnerability has been resolved: sctp: fix use-after-free of cached ASCONF chunk addip_last_asconf caches the outstanding outbound ASCONF chunk. The normal ASCONF-ACK completion path releases the chunk and clears the pointer…
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Critical 9.8
sctp: keep chunk->transport in step with the list it is queued on
In the Linux kernel, the following vulnerability has been resolved: sctp: keep chunk->transport in step with the list it is queued on __sctp_outq_flush_rtx() moves a gap-acked chunk onto another transport's transmitted list without updating chunk->transport: …
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Critical 9.8
mm/filemap: __filemap_add_folio() restore index before retrying
In the Linux kernel, the following vulnerability has been resolved: mm/filemap: __filemap_add_folio() restore index before retrying In __filemap_add_folio()'s split-a-conflict loop, xas_set_order() is applied repeatedly: each application modifies xas.xa_index…
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Critical 9.8
ip6_tunnel: clear skb2->cb[] in ip6ip6_err()
In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: clear skb2->cb[] in ip6ip6_err() ip6ip6_err() clones an outer IPv6 ICMP error skb, pulls it to the quoted inner IPv6 packet, and then passes the clone to icmpv6_send(). The clone …
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Critical 9.8
smb: client: Fix use-after-free in cifs_try_adding_channels()
In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix use-after-free in cifs_try_adding_channels() cifs_try_adding_channels() takes a temporary reference to an interface before dropping iface_lock. If cifs_ses_add_channel() fail…
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Critical 9.8
tls: rx: restore msg_iter before TLS 1.3 optimistic retry
In the Linux kernel, the following vulnerability has been resolved: tls: rx: restore msg_iter before TLS 1.3 optimistic retry tls_decrypt_sg() advances msg->msg_iter when it maps user pages for the optimistic TLS 1.3 zero-copy path. If the decrypted record tu…
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Critical 9.8
xdp: reject clones that overrun skb_shared_info tailroom
In the Linux kernel, the following vulnerability has been resolved: xdp: reject clones that overrun skb_shared_info tailroom xdpf_clone() clones broadcast copies into a single page and sets frame_sz to PAGE_SIZE. __xdp_build_skb_from_frame() later treats that…
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Critical 9.8
dibs: initialise dibs->lock in dibs_dev_alloc()
In the Linux kernel, the following vulnerability has been resolved: dibs: initialise dibs->lock in dibs_dev_alloc() dibs->lock is initialised by dibs_dev_add(), but a dibs device can already take interrupts before that call: ism_probe() runs ism_dev_init(), a…
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Critical 9.8
net/x25: fix use-after-free of the socket by its timers
In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free of the socket by its timers The x25 timers are armed with mod_timer() and cancelled with timer_delete(), so a pending timer holds no reference on the socket and a …
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Critical 9.8
inet: frags: publish queues before arming timer
In the Linux kernel, the following vulnerability has been resolved: inet: frags: publish queues before arming timer inet_frag_create() arms the fragment queue timer before inserting the queue into the fqdir rhashtable. If the namespace fragment timeout is zer…
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Critical 9.8
ipvs: clear IPv4 options after rebasing tunnel ICMP errors
In the Linux kernel, the following vulnerability has been resolved: ipvs: clear IPv4 options after rebasing tunnel ICMP errors ip_vs_in_icmp() rebases an skb from the outer ICMP packet to the quoted original request before passing it to icmp_send(). However, …
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Critical 9.8
sctp: clear control chunk transport if it is being removed
In the Linux kernel, the following vulnerability has been resolved: sctp: clear control chunk transport if it is being removed sctp_make_heartbeat_ack() caches the destination transport in chunk->transport without taking a reference. When src_out_of_asoc_ok i…
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Critical 9.8
btrfs: lzo: reject inline extents without valid headers
In the Linux kernel, the following vulnerability has been resolved: btrfs: lzo: reject inline extents without valid headers [BUG] For a crafted btrfs image, the following KASAN can be triggered when reading an inline lzo compressed file extent: BUG: KASAN: sl…
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Critical 9.8CVE-2026-74727 Public exploit
ovpn: skip rehash for peers already removed from by_id
In the Linux kernel, the following vulnerability has been resolved: ovpn: skip rehash for peers already removed from by_id ovpn_nl_peer_set_doit() resolves the target peer via ovpn_peer_get_by_id() before taking ovpn->lock. In the window between the lookup (w…
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Critical 9.8
NFS: Pin the 'struct nfs_server' during a FREE_STATEID call
In the Linux kernel, the following vulnerability has been resolved: NFS: Pin the 'struct nfs_server' during a FREE_STATEID call Dan Aloni reports that he was able to hit a use-after-free bug if a FREE_STATEID operation gets delayed for whatever reason. Fix th…
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Critical 9.8
net: ethernet: ti: am65-cpsw-nuss: Fix port_id extraction from SRC TAG
In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw-nuss: Fix port_id extraction from SRC TAG On the packet reception path, the ID of the MAC Port on which the packet was received, is embedded in the RX DMA Descrip…
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Critical 9.8
macvlan: inherit needed_headroom and needed_tailroom from lowerdev
In the Linux kernel, the following vulnerability has been resolved: macvlan: inherit needed_headroom and needed_tailroom from lowerdev macvlan devices inherit hard_header_len from lowerdev during macvlan_init(), but leave needed_headroom and needed_tailroom s…
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Critical 9.8
ipvlan: inherit needed_headroom and needed_tailroom from phy_dev
In the Linux kernel, the following vulnerability has been resolved: ipvlan: inherit needed_headroom and needed_tailroom from phy_dev ipvlan devices inherit hard_header_len from phy_dev during ipvlan_init(), but leave needed_headroom and needed_tailroom set to…
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Critical 9.8
netfilter: flowtable: publish GC-visible tuple last
In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish GC-visible tuple last nf_flow_table_iterate() only treats original-direction tuple nodes as owning entries. Publishing the original node first lets GC observe an…
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Critical 9.8
sctp: validate cookie AUTH state before use
In the Linux kernel, the following vulnerability has been resolved: sctp: validate cookie AUTH state before use When cookie authentication is disabled, COOKIE_ECHO restores fixed-size AUTH fields directly from peer-controlled cookie bytes. A forged RANDOM len…
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Critical 9.8
ovpn: finish crypto callback cleanup before peer release
In the Linux kernel, the following vulnerability has been resolved: ovpn: finish crypto callback cleanup before peer release Crypto completion callbacks hold both key-slot and peer references. The peer reference pins the netdev, and dropping the last peer ref…
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Critical 9.8
ceph: avoid fs reclaim while using current->journal_info
In the Linux kernel, the following vulnerability has been resolved: ceph: avoid fs reclaim while using current->journal_info handle_reply() stores a `ceph_mds_request` pointer in `current->journal_info` while filling the inode and dentry cache from an MDS rep…
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Critical 9.8
libceph: fix OOB read in decode_watchers() via missing bounds check
In the Linux kernel, the following vulnerability has been resolved: libceph: fix OOB read in decode_watchers() via missing bounds check ceph_start_decoding() validates that struct_len bytes remain in the buffer after the encoding header, but accepts struct_le…
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Critical 9.8
libceph: Avoid using invalid osd indices from primary_temp
In the Linux kernel, the following vulnerability has been resolved: libceph: Avoid using invalid osd indices from primary_temp A corrupted osdmap received from a Ceph monitor or OSD may contain osd indices in its pg_temp, primary_temp, pg_upmap, and pg_upmap_…
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Critical 9.8
libceph: fix multiple unsafe decodes in decode_locker()
In the Linux kernel, the following vulnerability has been resolved: libceph: fix multiple unsafe decodes in decode_locker() decode_locker() in cls_lock_client.c contains three unsafe decode operations that allow a malicious or compromised OSD to trigger slab-…
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Critical 9.8
mptcp: options: reset DSS fields in case of unexpected size
In the Linux kernel, the following vulnerability has been resolved: mptcp: options: reset DSS fields in case of unexpected size A remote peer could send a malformed DSS with a wrong size, followed by another DSS or MPC + Data. In this case, the first suboptio…
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Critical 9.8CVE-2026-80587 Public exploit
mptcp: avoid combining some incoming suboptions
In the Linux kernel, the following vulnerability has been resolved: mptcp: avoid combining some incoming suboptions Some MPTCP suboptions are mutually exclusive according to the RFC8684, but also because in different places, the code doesn't expect some combi…
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Critical 9.8
block: stop the timeout timer when releasing a never added disk
In the Linux kernel, the following vulnerability has been resolved: block: stop the timeout timer when releasing a never added disk disk_release() undoes blk_mq_init_allocated_queue() for a disk whose probe failed before add_disk(), but it only calls blk_mq_e…
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Critical 9.8
vxlan: re-fetch eth header after route_shortcircuit()
In the Linux kernel, the following vulnerability has been resolved: vxlan: re-fetch eth header after route_shortcircuit() Before route_shortcircuit(), the eth header pointer is cached from eth_hdr(skb). Inside route_shortcircuit(), pskb_may_pull() can be call…
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Critical 9.8
net: ethernet: mtk_eth_soc: pass eth to mtk_handle_irq_rx in poll_controller
In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtk_eth_soc: pass eth to mtk_handle_irq_rx in poll_controller mtk_handle_irq_rx expects a struct mtk_eth * (matching the request_irq cookie), but mtk_poll_controller incorrectl…
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Critical 9.8
ipvs: do not propagate one-packet flag to synced conns
In the Linux kernel, the following vulnerability has been resolved: ipvs: do not propagate one-packet flag to synced conns Synced connections can be created before their destination exists. When the destination is later added, ip_vs_bind_dest() copies connect…
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Critical 9.8
ksmbd: fix use-after-free in oplock break notification
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in oplock break notification smb2_oplock_break_noti() reads opinfo->conn without any lock and dereferences it after two allocations which may sleep. When the durable…
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Critical 9.8
seg6: reset IP6CB after IPv6 decapsulation
In the Linux kernel, the following vulnerability has been resolved: seg6: reset IP6CB after IPv6 decapsulation decap_and_validate() pulls the outer SRv6 headers and makes the inner packet the skb network header. The IPv6 control block still contains values co…
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Critical 9.8
net/smc: stop killed, freed and out_of_sync sharing a byte
In the Linux kernel, the following vulnerability has been resolved: net/smc: stop killed, freed and out_of_sync sharing a byte The three connection state flags are single-bit bitfields, so they occupy one byte of struct smc_connection and every store to one i…
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Critical 9.8
net/smc: fix use-after-free of the LLC qentry in smc_llc_srv_add_link()
In the Linux kernel, the following vulnerability has been resolved: net/smc: fix use-after-free of the LLC qentry in smc_llc_srv_add_link() smc_llc_srv_add_link() keeps add_llc pointing into the queue entry: add_llc = &qentry->msg.add_link; smc_llc.c:1482 ...…
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Critical 9.8
net/smc: bound the peer rkey counts in SMC-Rv2 LLC messages
In the Linux kernel, the following vulnerability has been resolved: net/smc: bound the peer rkey counts in SMC-Rv2 LLC messages On a link whose device has max_recv_sge == 1 there is no shared v2 receive buffer, and smc_llc_save_add_link_rkeys() takes the v2 e…
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Critical 9.8
xdp: fix zero-copy frame layout
In the Linux kernel, the following vulnerability has been resolved: xdp: fix zero-copy frame layout xdp_convert_zc_to_xdp_frame() clones an XSK packet into an order-0 page and advertises PAGE_SIZE as its frame size. It allows the copied frame to occupy the pa…
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Critical 9.8
sctp: drop a chunk if its transport was removed
In the Linux kernel, the following vulnerability has been resolved: sctp: drop a chunk if its transport was removed sctp_rcv() resolves the transport once per packet and leaves it in chunk->transport. The lookup reference, or the one sctp_add_backlog() takes …
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Critical 9.8
sctp: stop processing a packet once its association is deleted
In the Linux kernel, the following vulnerability has been resolved: sctp: stop processing a packet once its association is deleted sctp_endpoint_bh_rcv() looks the association up only when chunk->asoc is NULL, and caches the result in chunk->asoc and chunk->t…
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Critical 9.8
nvme-tcp: do not accept C2HData based on blk_rq_payload_bytes() alone
In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: do not accept C2HData based on blk_rq_payload_bytes() alone Commit 25e5cb780e62 ("nvme-tcp: fix possible crash in write_zeroes processing") established that blk_rq_payload_bytes() m…
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Critical 9.8
lockd: pin next file across nlm_inspect_file lock-drop
In the Linux kernel, the following vulnerability has been resolved: lockd: pin next file across nlm_inspect_file lock-drop nlm_traverse_files() pins the current file with f_count++ across a mutex_unlock for nlm_inspect_file(), but nothing pins the saved next …
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Critical 9.8
ocfs2: validate directory-index entry counts when reading metadata
In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate directory-index entry counts when reading metadata ocfs2_validate_dx_leaf() and ocfs2_validate_dx_root() check the ECC and signature of an indexed-directory block before it re…
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Critical 9.8
ocfs2: validate lengths in dlm_mig_lockres_handler
In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate lengths in dlm_mig_lockres_handler A node receiving a DLM_MIG_LOCKRES message trusts several fields of the peer-supplied dlm_migratable_lockres without validation. num_locks a…
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Critical 9.8
ocfs2: bound namelen in dlm_migrate_request_handler
In the Linux kernel, the following vulnerability has been resolved: ocfs2: bound namelen in dlm_migrate_request_handler Patch series "ocfs2/dlm: bound peer-controlled lengths in the o2dlm". The o2dlm receive handlers trust u8 length and count fields from the …
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Critical 9.8
svcrdma: Validate Read chunk positions before reconstruction
In the Linux kernel, the following vulnerability has been resolved: svcrdma: Validate Read chunk positions before reconstruction The RPC/RDMA Read chunk position field is supplied by the remote client and stored verbatim in the parsed chunk list. xdr_count_re…
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Critical 9.8
svcrdma: Reject inline replies that overflow the pull-up buffer
In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject inline replies that overflow the pull-up buffer An RPC-over-RDMA client can request a reply, such as an NFS READ payload, without providing a Write list or a Reply chunk to ca…
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Critical 9.8
svcrdma: Fix offset arithmetic in read_chunk_range
In the Linux kernel, the following vulnerability has been resolved: svcrdma: Fix offset arithmetic in read_chunk_range svc_rdma_read_chunk_range() walks a Read chunk's segment list to build a sub-range starting at byte offset and spanning length bytes for a P…
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Critical 9.8
SUNRPC: wait for in-flight client TLS handshake callback
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: wait for in-flight client TLS handshake callback xs_tls_handshake_sync() gives xs_tls_handshake_done() a reference to the lower transport before submitting the handshake request. On t…
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Critical 9.8
SUNRPC: Reject krb5 v2 wrap tokens with oversized ec field
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Reject krb5 v2 wrap tokens with oversized ec field gss_krb5_unwrap_v2() sets buf->len to a logical length, which can be much smaller than head[0].iov_len (the allocated receive-page c…
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Critical 9.8
SUNRPC: harden gss_unwrap_resp_priv length checks
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: harden gss_unwrap_resp_priv length checks gss_unwrap_resp_priv() validates the RPCSEC_GSS opaque length with offset = (u8 *)(p) - (u8 *)head->iov_base; if (offset + opaque_len > rcv_b…
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Critical 9.8
SUNRPC: harden gss_krb5_unwrap_v2 against short tokens
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: harden gss_krb5_unwrap_v2 against short tokens gss_krb5_unwrap_v2() reads the EC and RRC header fields at ptr+4 and ptr+6 before validating that the token is at least GSS_KRB5_TOK_HDR…
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Critical 9.8
SUNRPC: close backchannel before destroying callback service
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: close backchannel before destroying callback service A backchannel receive can complete a request while the NFS callback service is being torn down. xprt_complete_bc_request() removes…
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Critical 9.8
SUNRPC: svcauth_gss: enforce krb5 token minimum length
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: svcauth_gss: enforce krb5 token minimum length svcauth_gss_unwrap_priv() validates only an upper bound on the wire-supplied opaque length before handing the buffer to gss_unwrap(): if…
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Critical 9.8
SUNRPC: xdr_buf_trim: clamp buf->len to avoid underflow
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: xdr_buf_trim: clamp buf->len to avoid underflow xdr_buf_trim() trims `len` bytes from the tail of an xdr_buf by walking the tail, pages, and head iovecs. Each per-section step uses mi…
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Critical 9.8
mpls: reload header after pskb_may_pull()
In the Linux kernel, the following vulnerability has been resolved: mpls: reload header after pskb_may_pull() mpls_select_multipath() calls mpls_multipath_hash() to choose a nexthop when an MPLS route has multiple nexthops. While walking the MPLS label stack,…
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Critical 9.8
md/raid10: fix still_degraded being inverted in raid10_sync_request()
In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix still_degraded being inverted in raid10_sync_request() Commit fe6a19d40ceb ("md/md-bitmap: merge md_bitmap_start_sync() into bitmap_operations") converted still_degraded from i…
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Critical 9.8CVE-2026-89633 Public exploit
smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2()
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2() coalesce_t2() computes data pointers directly from server-supplied DataOffset fields with no validation against bu…
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Critical 9.8
smb: client: clear ce->tgthint in free_tgts()
In the Linux kernel, the following vulnerability has been resolved: smb: client: clear ce->tgthint in free_tgts() When free_tgts() frees all structures in ce->tlist, ce->tgthint is left pointing to one of the freed cache_dfs_tgt structures. If ce->tgthint is …
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Critical 9.8
smb: client: fix UAF and buffer leak in cifs_check_trans2() for malformed secondary T2
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF and buffer leak in cifs_check_trans2() for malformed secondary T2 When a valid primary TRANSACT2 response has been received (mid->resp_buf set, mid->multiRsp true) and a …
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Critical 9.8
audit: avoid dropping live tree ref on fsnotify rule autoremove
In the Linux kernel, the following vulnerability has been resolved: audit: avoid dropping live tree ref on fsnotify rule autoremove audit_del_rule() is used for both netlink deletion templates and internal fsnotify autoremove. The former passes a parsed templ…
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Critical 9.8
ceph: bound MDSCapAuth path and fs_name decode in handle_session()
In the Linux kernel, the following vulnerability has been resolved: ceph: bound MDSCapAuth path and fs_name decode in handle_session() handle_session() decodes the MDSCapAuth records carried by a CEPH_SESSION_OPEN message (msg_version >= 6). For each record t…
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Critical 9.8
ceph: bound copied dentry name length in NFS export get_name
In the Linux kernel, the following vulnerability has been resolved: ceph: bound copied dentry name length in NFS export get_name ceph_get_name() copies the MDS-supplied name into the caller's NAME_MAX-sized buffer with memcpy(name, rinfo->dname, rinfo->dname_…
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Critical 9.8
ceph: reject export_targets ranks >= CEPH_MAX_MDS in mdsmap decode
In the Linux kernel, the following vulnerability has been resolved: ceph: reject export_targets ranks >= CEPH_MAX_MDS in mdsmap decode MDSMap export_targets entries are monitor controlled. check_new_map() uses each entry as a bit number in a fixed stack bitma…
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Critical 9.8
ceph: fix UAF in check_new_map() on session freed during unlock
In the Linux kernel, the following vulnerability has been resolved: ceph: fix UAF in check_new_map() on session freed during unlock check_new_map() iterates mdsc->sessions[] and for each active session drops mdsc->mutex to perform per-session operations. The …
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Critical 9.8
ceph: fix UAF in __kick_flushing_caps() on cf entry freed during unlock
In the Linux kernel, the following vulnerability has been resolved: ceph: fix UAF in __kick_flushing_caps() on cf entry freed during unlock list_for_each_entry() iterates ci->i_cap_flush_list but drops i_ceph_lock to send cap messages. During the unlock windo…
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Critical 9.8
libceph: reject buckets with mismatched CRUSH ids
In the Linux kernel, the following vulnerability has been resolved: libceph: reject buckets with mismatched CRUSH ids crush_decode() stores bucket data by array slot, and the mapper later derives the per-bucket workspace index from the decoded bucket id. A ma…
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Critical 9.8
NFSD: Prevent client use-after-free during NFSv4.0 revoked-state cleanup
In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent client use-after-free during NFSv4.0 revoked-state cleanup nfs40_clean_admin_revoked() takes a stateid reference under clp->cl_lock, drops nn->client_lock, and calls nfsd4_drop_…
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Critical 9.8
NFSD: Prevent client use-after-free during delegation revoke
In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent client use-after-free during delegation revoke A delegation stateid holds only a bare pointer to its owning nfs4_client and does not keep it alive. The client survives its state…
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Critical 9.8
NFSD: Prevent client use-after-free during admin state revocation
In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent client use-after-free during admin state revocation A stateid holds only a bare pointer to its nfs4_client; a stateid reference does not pin it. The client survives only because…
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Critical 9.8
NFSD: Prevent lock owner use-after-free during client teardown
In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent lock owner use-after-free during client teardown __destroy_client() releases a client's open owners, but a lock owner whose only reference is a blocked lock (nbl) stays on cl_ow…
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Critical 9.8
nfsd: initialize copy-notify stateid before publishing it
In the Linux kernel, the following vulnerability has been resolved: nfsd: initialize copy-notify stateid before publishing it nfsd4_copy_notify() finished initializing the cpntf state after nfs4_alloc_init_cpntf_state() had already linked it into the s2s_cp_s…
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Critical 9.8
nfsd: fix XDR length calculation in nfsd4_ff_encode_layoutget
In the Linux kernel, the following vulnerability has been resolved: nfsd: fix XDR length calculation in nfsd4_ff_encode_layoutget The XDR buffer size calculation in nfsd4_ff_encode_layoutget() has multiple errors that can result in either an out-of-bounds wri…
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Critical 9.8
nfsd: fix UAF in async copy cancel and shutdown
In the Linux kernel, the following vulnerability has been resolved: nfsd: fix UAF in async copy cancel and shutdown An async copy could be freed or used after free while a teardown caller (OFFLOAD_CANCEL, nfsd4_shutdown_copy, nfsd4_cancel_copy_by_sb) raced th…
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Critical 9.8
nfsd: fix stale s2s_cp_stateids IDR entry for async COPY
In the Linux kernel, the following vulnerability has been resolved: nfsd: fix stale s2s_cp_stateids IDR entry for async COPY For an async COPY, nfsd4_copy() called nfs4_init_copy_state() before dup_copy_fields(), so the s2s_cp_stateids IDR was pointed at &u->…
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Critical 9.8
nfsd: fix possible fh_compose of wrong dentry in nfsd4_create_file()
In the Linux kernel, the following vulnerability has been resolved: nfsd: fix possible fh_compose of wrong dentry in nfsd4_create_file() dentry_create() can hypothetically provide a different dentry than the one passed in. This could happen, for example, if t…
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Critical 9.8
nfsd: fix BUG_ON in nfsd4_alloc_layout_stateid on racing delegation revoke
In the Linux kernel, the following vulnerability has been resolved: nfsd: fix BUG_ON in nfsd4_alloc_layout_stateid on racing delegation revoke nfsd4_alloc_layout_stateid reads fp->fi_deleg_file without holding fi_lock when the parent stateid is a delegation. …
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Critical 9.8
nfsd: drop the stateid, not the stateowner, on seqid_op replay retry
In the Linux kernel, the following vulnerability has been resolved: nfsd: drop the stateid, not the stateowner, on seqid_op replay retry In nfs4_preprocess_seqid_op() the stateid is obtained from nfsd4_lookup_stateid(), which holds a reference on the nfs4_sti…
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Critical 9.8
nfsd: don't free session slots that are still in use
In the Linux kernel, the following vulnerability has been resolved: nfsd: don't free session slots that are still in use nfsd4_sequence() can free the very slot it is currently processing. When the session shrinker has reduced se_target_maxslots below se_fcha…
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Critical 9.8
nfsd: size fh_verify server sockaddr slot by xpt_locallen
In the Linux kernel, the following vulnerability has been resolved: nfsd: size fh_verify server sockaddr slot by xpt_locallen The nfsd_fh_verify and nfsd_fh_verify_err tracepoints declare the server sockaddr slot sized by xpt_remotelen but fill it from xpt_lo…
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Critical 9.8
nfsd: set SC_STATUS_FREED in nfsd4_drop_revoked_stid for delegations
In the Linux kernel, the following vulnerability has been resolved: nfsd: set SC_STATUS_FREED in nfsd4_drop_revoked_stid for delegations nfsd4_drop_revoked_stid() handles FREE_STATEID for admin-revoked delegations but does not set SC_STATUS_FREED before relea…
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Critical 9.8
nfsd: RCU-protect cl_cb_session to fix use-after-free on session teardown
In the Linux kernel, the following vulnerability has been resolved: nfsd: RCU-protect cl_cb_session to fix use-after-free on session teardown After a DESTROY_SESSION the per-session teardown path can free a session while rpciod still holds an inflight callbac…
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Critical 9.8
NFSD: restart ssc_expire_umount walk after dropping nfsd_ssc_lock
In the Linux kernel, the following vulnerability has been resolved: NFSD: restart ssc_expire_umount walk after dropping nfsd_ssc_lock nfsd4_ssc_expire_umount() walks nn->nfsd_ssc_mount_list with list_for_each_entry_safe(ni, tmp, ...). For each expired entry i…
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Critical 9.8
isofs: fix out-of-bounds page array access on empty zisofs block
In the Linux kernel, the following vulnerability has been resolved: isofs: fix out-of-bounds page array access on empty zisofs block zisofs_uncompress_block()'s empty-block fast path returns pcount << PAGE_SHIFT, ignoring the incoming poffset, unlike the deco…
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Critical 9.8
xfrm6: fix out-of-bounds write in xfrm6_input_addr() when secpath is full
In the Linux kernel, the following vulnerability has been resolved: xfrm6: fix out-of-bounds write in xfrm6_input_addr() when secpath is full The depth check in xfrm6_input_addr() is off by one: if (1 + sp->len == XFRM_MAX_DEPTH) goto drop; ... sp->xvec[sp->l…
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Critical 9.8
ksmbd: fix tree connection use-after-free in smb2_tree_connect()
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix tree connection use-after-free in smb2_tree_connect() ksmbd_tree_conn_connect() publishes a new tree connection in sess->tree_conns with a single reference and returns its pointer …
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Critical 9.8
scsi: qla2xxx: Avoid double completion in async IOCB timeout
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Avoid double completion in async IOCB timeout qla2x00_async_iocb_timeout() tries to abort a timed-out async IOCB. When qla24xx_async_abort_cmd() fails, both the SRB_LOGIN_CMD p…
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Critical 9.8
scsi: qla2xxx: Hold qpair lock when sending NVMe LS reject
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Hold qpair lock when sending NVMe LS reject qla_nvme_ls_reject_iocb() allocates from and advances the request ring through __qla2x00_alloc_iocbs() (which assumes the hardware_l…
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Critical 9.8
nvmet-tcp: fix out-of-bounds write when receiving an over-long PDU
In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: fix out-of-bounds write when receiving an over-long PDU nvmet_tcp_try_recv_pdu() reads a PDU header into the fixed 128-byte queue->pdu union, then computes the remaining payload le…
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Critical 9.8
nvmet-auth: Synchronize timeout work during SQ teardown
In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: Synchronize timeout work during SQ teardown nvmet_auth_sq_free() cancels auth_expired_work with cancel_delayed_work(). If the work has already started, cancellation does not wait …
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Critical 9.8
nvme: add missing SRCU grace period in error path
In the Linux kernel, the following vulnerability has been resolved: nvme: add missing SRCU grace period in error path nvme_alloc_ns() error path at out_unlink_ns removes ns from the namespace head siblings list with list_del_rcu(&ns->siblings) but does not wa…
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Critical 9.8
ceph: lock mutex in ceph_mds_check_access()
In the Linux kernel, the following vulnerability has been resolved: ceph: lock mutex in ceph_mds_check_access() MDS session OPEN handling replaces mdsc->s_cap_auths under mdsc->mutex, freeing the previous array and its strings. ceph_mds_check_access() travers…
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Critical 9.8
spi: Fix DMA mapping ownership on partial map failure
In the Linux kernel, the following vulnerability has been resolved: spi: Fix DMA mapping ownership on partial map failure If RX mapping fails after TX mapping succeeds, __spi_map_msg() unmaps TX but leaves tx_sg_mapped set. If TX mapping fails on a later tran…
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Critical 9.8
NFSD: Prevent client use-after-free during blocked-lock reaping
In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent client use-after-free during blocked-lock reaping A bare lock owner -- its only remaining reference a blocked lock on nn->blocked_locks_lru -- holds a raw pointer to its nfs4_cl…
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Critical 9.8
NFSD: Prevent client use-after-free during close_lru reaping
In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent client use-after-free during close_lru reaping An nfs4_openowner left on nn->close_lru after its final CLOSE keeps its last closed stateid in oo_last_closed_stid, holding only a…
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Critical 9.8
ceph: properly decrypt filenames in vmalloc() buffers
In the Linux kernel, the following vulnerability has been resolved: ceph: properly decrypt filenames in vmalloc() buffers The fscrypt subsystem uses the scatterlist crypto API, inheriting its requirement that any buffers are in the linear mapping region. Howe…
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Critical 9.8
fs/ntfs3: fix slab-out-of-bounds write in ni_create_attr_list()
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix slab-out-of-bounds write in ni_create_attr_list() ni_create_attr_list() allocates a fixed buffer of al_aligned(record_size) (== record_size) bytes and then walks every attribute…
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Critical 9.8
NFSv4.1: zero referring call lists before decoding
In the Linux kernel, the following vulnerability has been resolved: NFSv4.1: zero referring call lists before decoding decode_cb_sequence_args() allocates csa_rclists with kmalloc_objs(), so each referring_call_list starts uninitialized. decode_rc_list() assi…
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Critical 9.8
NFSv4: remove callback IDR entry on client allocation failure
In the Linux kernel, the following vulnerability has been resolved: NFSv4: remove callback IDR entry on client allocation failure nfs4_alloc_client() allocates an NFSv4.0 callback identifier before it finishes setting up the client. If any later initializatio…
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Critical 9.8
sunrpc: xprtsock: annotate shared socket callbacks with READ_ONCE/WRITE_ONCE
In the Linux kernel, the following vulnerability has been resolved: sunrpc: xprtsock: annotate shared socket callbacks with READ_ONCE/WRITE_ONCE xprtsock replaces and restores sk->sk_data_ready and sk->sk_write_space on live sockets with plain stores, and xs_…
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Critical 9.8
xfrm: Fix skb double-free in xfrm_dev_direct_output()
In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix skb double-free in xfrm_dev_direct_output() A return value other than 1 from local_out() means that the skb has been consumed or its ownership was transferred. xfrm_dev_direct_outpu…
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Critical 9.8
SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry svcauth_gss_decode_credbody() writes the caller's rpc_gss_wire_cred field by field and assigns gc_ctx.len only on the suc…
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Critical 9.8
RDMA/rtrs-srv: Fix integer underflow in process_read and process_write
In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-srv: Fix integer underflow in process_read and process_write usr_len is read from a network-supplied message field (le16_to_cpu) and used to compute data_len = off - usr_len without…
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Critical 9.8
RDMA/siw: Bound fragmented header copies by the remaining length
In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Bound fragmented header copies by the remaining length siw_get_hdr() can receive an extended DDP/RDMAP header across more than one TCP callback. The first callback may receive most …
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Critical 9.8
RDMA/rxe: Fix integer overflow in mr_check_range() leading to OOB access
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix integer overflow in mr_check_range() leading to OOB access mr_check_range() validates that [iova, iova+length) falls within the registered MR range using wraparound-prone arithm…
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Critical 9.8CVE-2026-98432 Public exploit
ipv4: free inet_opt and ireq_opt after an RCU grace period
In the Linux kernel, the following vulnerability has been resolved: ipv4: free inet_opt and ireq_opt after an RCU grace period tcp_v4_syn_recv_sock() transfers ownership of ireq->ireq_opt to the child socket (newinet->inet_opt) without copying it. Another cpu…
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Critical 9.8
net: openvswitch: conntrack: fix helper UAF due to extensions realloc
In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: fix helper UAF due to extensions realloc While calling the helpers, a raw pointer to the extensions area is wired into expectations list: -> nf_ct_helper() -> hel…
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Critical 9.8
sctp: discard the rest of the packet on a stale-cookie error
In the Linux kernel, the following vulnerability has been resolved: sctp: discard the rest of the packet on a stale-cookie error When an association is in COOKIE-ECHOED state and the peer sends a bundled [ERROR(Stale Cookie)][DATA] packet from one of its non-…
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Critical 9.8
btrfs: fix xattr replace when multiple xattrs are packed in the same item
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix xattr replace when multiple xattrs are packed in the same item If we have a btrfs_dir_item item that packs multiple xattrs and then we replace the value of one of them (with the se…
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Critical 9.8
net/mlx5e: Prevent stale XSK buffer release on MPWQE refill retry
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Prevent stale XSK buffer release on MPWQE refill retry With AF_XDP on a striding RQ, mlx5e defers releasing XSK buffers until an MPWQE is refilled. If XSK allocation then returns -…
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Critical 9.8
net/mlx5e: Prevent stale XSK buffer release on refill retry
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Prevent stale XSK buffer release on refill retry When an XDP redirect to an AF_XDP socket fails because its RX ring is full, the XSK core frees the buffer. During the subsequent ba…
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Critical 9.4
mptcp: fastopen: only mark MPTFO subflows with SYN data
In the Linux kernel, the following vulnerability has been resolved: mptcp: fastopen: only mark MPTFO subflows with SYN data Passive TCP Fast Open accepts a valid-cookie SYN even when it carries no data. In that case the child socket's receive queue is intenti…
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Critical 9.4
inetpeer: randomize RB-tree node comparison using SipHash
In the Linux kernel, the following vulnerability has been resolved: inetpeer: randomize RB-tree node comparison using SipHash The inetpeer rate limiting system stores peer entries in a Red-Black tree keyed deterministically on the remote IP address. Because t…
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Critical 9.3
KVM: x86: Cancel delayed I/O APIC EOI handling before destroying vCPUs
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Cancel delayed I/O APIC EOI handling before destroying vCPUs Cancel (and flush) the I/O APIC's delayed EOI handling work during the "pre VM destroy" phase, before vCPUs are destroye…
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Critical 9.3
KVM: arm64: vgic: Fix race between LPI release and re-registration
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic: Fix race between LPI release and re-registration Fix a potential race between decrementing an LPI's reference count and evicting that structure from the LPI xarray. LPI stru…
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Critical 9.3
iommu/arm-smmu-v3-iommufd: Require exactly one Stream ID for a vDEVICE
In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3-iommufd: Require exactly one Stream ID for a vDEVICE arm_vsmmu_vsid_to_sid() maps a guest's vSID to a single physical Stream ID taken from master->streams[0], assuming a dev…
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Critical 9.3
vdpa/mlx5: Fix buffer length in create_direct_keys()
In the Linux kernel, the following vulnerability has been resolved: vdpa/mlx5: Fix buffer length in create_direct_keys() We have seen in our CI the following KASAN message: BUG: KASAN: slab-out-of-bounds in cmd_exec+0x550/0xca0 [mlx5_core] Read of size 272 at…
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Critical 9.3
s390/vfio_ccw: Ensure first IDAW remains constant
In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Ensure first IDAW remains constant The first IDAW in a list does not need to be on a 2K/4K boundary like all others, and so is read separately to accurately calculate the size …
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Critical 9.3
s390/vfio_ccw: Limit the number of channel program segments
In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Limit the number of channel program segments The processing of channel programs, and the CCWs within them, is done recursively. As such, there is an arbitrary (but not architec…
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Critical 9.3
KVM: s390: pci: Fix NULL dereference on AIBV allocation failure
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix NULL dereference on AIBV allocation failure The airq_iv_create() can return NULL on failure, but the return value was never checked. If it fails, zdev->aibv will be NULL a…
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Critical 9.3
idpf: bound interrupt-vector register fill to the allocated array
In the Linux kernel, the following vulnerability has been resolved: idpf: bound interrupt-vector register fill to the allocated array idpf_get_reg_intr_vecs() fills the caller-allocated reg_vals[] array from the VIRTCHNL2_OP_ALLOC_VECTORS reply in adapter->re…
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Critical 9.3
iommu/vt-d: Force requesting ACS when tboot is enabled
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Force requesting ACS when tboot is enabled Currently the conditions of requesting ACS in detect_intel_iommu() don't include tboot, leading to a possible misconfiguration with ACS …
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Critical 9.3
KVM: arm64: Handle negative S1 walk levels in VNCR TLB size evaluation
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Handle negative S1 walk levels in VNCR TLB size evaluation Computing the effects of a TLB invalidation involves looking at the size of the mapping cached by the TLB. For S1 mappin…
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Critical 9.3
KVM: arm64: Sign-extend VA for range-based TLBI invalidation
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Sign-extend VA for range-based TLBI invalidation When the decode_range_tlbi() helper was moved to be used for S1 TLBIs, the required sign extension was omitted. Add it. As a resul…
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Critical 9.3
KVM: arm64: Remove VM-wide VNCR mapping counter
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Remove VM-wide VNCR mapping counter The global VNCR mapping counter is used to decide whether an L1 provided VNCR page is mapped in L0 on any CPU at the point of dealing with a TL…
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Critical 9.3
KVM: arm64: Make VNCR invalidation participate in MMU invalidation retry
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Make VNCR invalidation participate in MMU invalidation retry A VNCR TLB invalidation can occur on one vcpu while another vcpu is faulting in this same page. Without correctly hand…
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Critical 9.3
KVM: arm64: Correctly handle end of VA space TLBI invalidation
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Correctly handle end of VA space TLBI invalidation Our TLB invalidation by VA code is based on comparing two ranges, one defined by the TLB, and one defined by the TLBI instructio…
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Critical 9.3
KVM: nVMX: Service local TLB flushes on failed nested VM-Enter
In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Service local TLB flushes on failed nested VM-Enter KVM services local TLB flushes on "full" nested VM-Exits (through __nested_vmx_vmexit()), but not if a nested VM-Enter fails (e.…
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Critical 9.3
net: skbuff: don't skb_tx_error() the source skb in skb_zerocopy()
In the Linux kernel, the following vulnerability has been resolved: net: skbuff: don't skb_tx_error() the source skb in skb_zerocopy() skb_zerocopy() copies frags from @from into @to. On an skb_orphan_frags() failure it calls skb_tx_error(@from), a destructiv…
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Critical 9.3
RISC-V: KVM: Synchronize hrtimer callback during teardown
In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: Synchronize hrtimer callback during teardown The non-Sstc hrtimer callback clears next_set before its final uses of the enclosing vCPU. If teardown observes next_set as false whi…
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Critical 9.3CVE-2026-99999 Public exploit
ipv4: validate checksum_start before completing checksum
In the Linux kernel, the following vulnerability has been resolved: ipv4: validate checksum_start before completing checksum If a packet with bad checksum metadata gets into the ipv4 stack, skb_checksum_help can corrupt the network header and cause a bunch of…
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Critical 9.1
veth: convert frag_list skbs before running XDP
In the Linux kernel, the following vulnerability has been resolved: veth: convert frag_list skbs before running XDP A frag_list skb can reach veth with data_len set but nr_frags zero. veth_convert_skb_to_xdp_buff() only converts skbs that are shared, locked, …
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Critical 9.1
ksmbd: use memcmp() to compare ClientGUIDs
In the Linux kernel, the following vulnerability has been resolved: ksmbd: use memcmp() to compare ClientGUIDs ClientGUID is a fixed-size binary value and can contain embedded NUL bytes. strncmp() stops comparing at the first NUL byte, so different ClientGUID…
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Critical 9.1
net: fix skb length accounting after generic XDP frag adjustment
In the Linux kernel, the following vulnerability has been resolved: net: fix skb length accounting after generic XDP frag adjustment Generic XDP exposes non-linear skb fragments through an xdp_buff. If an XDP program adjusts the fragment area, bpf_prog_run_ge…
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Critical 9.1
crypto: iaa - unmap dst before software fallback on decompress
In the Linux kernel, the following vulnerability has been resolved: crypto: iaa - unmap dst before software fallback on decompress On a hardware analytics error, decompress retries through the software fallback, which writes req->dst with the CPU while it is …
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Critical 9.1
svcrdma: Fix pcl_for_each_segment for empty chunks
In the Linux kernel, the following vulnerability has been resolved: svcrdma: Fix pcl_for_each_segment for empty chunks When a parsed chunk list contains a chunk whose ch_segcount is zero, pcl_for_each_segment computes its inclusive upper bound as &chunk->ch_s…
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Critical 9.1
SUNRPC: Reject short RFC 4121 MIC tokens in gss_krb5_verify_mic_v2
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Reject short RFC 4121 MIC tokens in gss_krb5_verify_mic_v2 gss_krb5_verify_mic_v2() reads the token ID at ptr[0..1], the flags byte at ptr[2], and padding at ptr[3..7], then passes pt…
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Critical 9.1
smb: client: restore the data_offset bound in is_valid_oplock_break()
In the Linux kernel, the following vulnerability has been resolved: smb: client: restore the data_offset bound in is_valid_oplock_break() Commit 83bfbd0bb902 ("cifs: Remove the RFC1002 header from smb_hdr") changed the quantity this bound is measured against.…
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Critical 9.1
smb: client: reject a tree connect response whose byte count is too small
In the Linux kernel, the following vulnerability has been resolved: smb: client: reject a tree connect response whose byte count is too small CIFSTCon() bounds its strnlen() over the byte area with the server's ByteCount minus two, which for ByteCount 0 or 1 …
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Critical 9.1
smb: client: fix ALIGN() overflow in symlink_data() error context loop
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix ALIGN() overflow in symlink_data() error context loop The check added by commit 7d9a7f1f96cd ("smb/client: fix possible infinite loop and oob read in symlink_data()") compare…
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Critical 9.1
ceph: bound xattr value length in __build_xattrs()
In the Linux kernel, the following vulnerability has been resolved: ceph: bound xattr value length in __build_xattrs() __build_xattrs() decodes the MDS-supplied xattr blob one attribute at a time. For each attribute it reads a 32-bit name length, advances pas…
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Critical 9.1
ceph: bound num_export_targets array for mds info v2/v3
In the Linux kernel, the following vulnerability has been resolved: ceph: bound num_export_targets array for mds info v2/v3 ceph_mdsmap_decode() in fs/ceph/mdsmap.c reads num_export_targets from each per-mds info record and advances the decode cursor by num_e…
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Critical 9.1
nfsd: gate nfs3 setacl by argp->mask
In the Linux kernel, the following vulnerability has been resolved: nfsd: gate nfs3 setacl by argp->mask nfsd3_proc_setacl() calls set_posix_acl() unconditionally for both ACL_TYPE_ACCESS and ACL_TYPE_DEFAULT, passing argp->acl_access and argp->acl_default ve…
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Critical 9.1
nfsd: gate nfs2 setacl by argp->mask
In the Linux kernel, the following vulnerability has been resolved: nfsd: gate nfs2 setacl by argp->mask The NFSACL v2 SETACL path shares the decoder convention used by its v3 sibling: nfsaclsvc_decode_setaclargs() fills in argp->acl_access only when NFS_ACL …
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Critical 9.1
nfsd: add fh_want_write() for early-verified SETATTR in nfsd_proc_setattr()
In the Linux kernel, the following vulnerability has been resolved: nfsd: add fh_want_write() for early-verified SETATTR in nfsd_proc_setattr() The BOTH_TIME_SET branch calls fh_verify() early so setattr_prepare() can inspect the dentry. This causes nfsd_seta…
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Critical 9.1
NFSD: check truncate permission under inode lock
In the Linux kernel, the following vulnerability has been resolved: NFSD: check truncate permission under inode lock nfsd_setattr() checks whether a size update needs NFSD_MAY_TRUNC before it takes inode_lock(). The comparison uses the file size sampled by th…
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Critical 9.1
fs/ntfs3: validate ef->size covers the record's name and value
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate ef->size covers the record's name and value When an EA record has a non-zero ef->size, ntfs_read_ea() only checks that the record fits in the remaining buffer (ea_size > by…
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Critical 9.1
ext4: fix out-of-bounds read in ext4_read_inline_dir()
In the Linux kernel, the following vulnerability has been resolved: ext4: fix out-of-bounds read in ext4_read_inline_dir() ext4_read_inline_dir() can read a dirent header past the end of its inline buffer, triggering a slab-out-of-bounds read during getdents6…
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Critical 9.1
scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read In qla2x00_status_entry(), the FWI2 status path advances sense_data and shrinks par_sense_len by rsp_info_len: if (IS_FWI2_CAPAB…
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Critical 9.1
scsi: target: iscsi: Reserve a terminator byte for the login payload
In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Reserve a terminator byte for the login payload iscsi_target_check_login_request() rejects a login PDU whose DataSegmentLength exceeds MAX_KEY_VALUE_PAIRS, but the test i…
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Critical 9.1
nvmet: fix heap out-of-bounds read in nvmet_auth_negotiate()
In the Linux kernel, the following vulnerability has been resolved: nvmet: fix heap out-of-bounds read in nvmet_auth_negotiate() nvmet_execute_auth_send() allocates the DH-HMAC-CHAP message buffer with the host-supplied transfer length (tl) and hands it to nv…
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Critical 9.1
IB/isert: reject login PDUs declaring more data than was received
In the Linux kernel, the following vulnerability has been resolved: IB/isert: reject login PDUs declaring more data than was received isert_login_recv_done() records how many bytes the HCA actually placed in the login buffer, but nothing compares that against…
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Critical 9.1
IB/isert: reject PDUs declaring more data than was received
In the Linux kernel, the following vulnerability has been resolved: IB/isert: reject PDUs declaring more data than was received isert_recv_done() hands each received PDU to the opcode handlers without ever looking at wc->byte_len, the number of bytes the HCA …
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Critical 9.1
svcrdma: Reject Write/Reply chunks with segcount 0
In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject Write/Reply chunks with segcount 0 A peer can send a Write or Reply chunk whose segcount field is zero. xdr_check_write_chunk() only rejects segcount > rc_maxpages, so zero pa…
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Critical 9.1
tcp: prevent collapsing skbs across boundary in rtx queue
In the Linux kernel, the following vulnerability has been resolved: tcp: prevent collapsing skbs across boundary in rtx queue tcp_write_collapse_fence() sets TCP_SKB_CB(skb)->eor = 1 on tcp_write_queue_tail(sk) to prevent skbs queued after a switch to device …
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High 8.8
RDMA/bnxt_re: Add a max slot check for SQ
In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Add a max slot check for SQ The variable WQE mode must be validated against the maximum slots supported by HW. The max supported value is 64K. Adding a max and min check and fai…
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High 8.8
drm/vmwgfx: bound DMA command body size against suffix pointer
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: bound DMA command body size against suffix pointer vmw_cmd_dma() locates the DMA suffix at (unsigned long) &cmd->body + header->size - sizeof(*suffix) without checking that header…
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High 8.8CVE-2026-74469 Public exploit
sctp: prevent peer transport count overflow
In the Linux kernel, the following vulnerability has been resolved: sctp: prevent peer transport count overflow sctp_assoc_add_peer() increments the association's 16-bit transport_count for every new unique peer. Adding the 65,536th transport wraps the count …
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High 8.8
wifi: mwifiex: use the subframe length when parsing A-MSDU TDLS frames
In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: use the subframe length when parsing A-MSDU TDLS frames mwifiex_11n_dispatch_amsdu_pkt() splits an A-MSDU with ieee80211_amsdu_to_8023s() and walks the resulting subframes. For…
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High 8.8
tipc: avoid use-after-free in poll trace queue dumps
In the Linux kernel, the following vulnerability has been resolved: tipc: avoid use-after-free in poll trace queue dumps TIPC socket tracepoints dump queue state through tipc_sk_dump(). Most queue-dump callsites already serialize that walk under the socket lo…
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High 8.8
Bluetooth: HIDP: reject frames without a transaction header
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HIDP: reject frames without a transaction header hidp_recv_ctrl_frame() and hidp_recv_intr_frame() read skb->data[0] before checking that the L2CAP SDU contains a transaction heade…
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High 8.8
Bluetooth: hci_sync: Fix advertising data UAFs
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: Fix advertising data UAFs hci_find_adv_instance() returns an adv_info pointer that is valid only while hdev->lock is held. The advertising command-sync paths perform inst…
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High 8.8
KVM: s390: pci: Reject adapter interrupt forwarding if already enabled
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled The MPCIFC instruction doesn't allow registering adapter interrupts without first unregistering. So reject any request t…
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High 8.8
iommu/iommufd: Fix IOPF group ownership UAF
In the Linux kernel, the following vulnerability has been resolved: iommu/iommufd: Fix IOPF group ownership UAF iopf_group_alloc() links each last-page IOPF group into the generic IOPF pending list before invoking the domain fault handler. iommufd_fault_iopf_…
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High 8.8
ksmbd: fix use-after-free in __close_file_table_ids()
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in __close_file_table_ids() A ksmbd_file can remain alive after logical close while another session holds a temporary reference obtained through ksmbd_lookup_fd_inod…
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High 8.8
octeontx2-af: Block VFs from clobbering special CGX PKIND state
In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Block VFs from clobbering special CGX PKIND state PF and VF NIX LFs that share a CGX LMAC reuse the same hardware PKIND programming. When HiGig2 or EDSA parsing is enabled, a VF…
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High 8.8
Bluetooth: hci_sync: hold conn in hci_connect_big_sync() callback
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_connect_big_sync() callback There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that. Handle NULL hc…
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High 8.8
Bluetooth: hci_conn: hold conn reference in abort_conn_sync()
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: hold conn reference in abort_conn_sync() There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that.
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High 8.8
Bluetooth: ISO: fix race of kfree vs kref_get_unless_zero
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix race of kfree vs kref_get_unless_zero hci_conn::iso_data is accessed and modified without lock or RCU. This leads to a race [Task hdev->workqueue] [Task 2] iso_recv iso_co…
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High 8.8
Bluetooth: ISO: fix refcounting of iso_conn
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix refcounting of iso_conn iso_conn_del() and iso_chan_del() have a race that results to double-put of iso_conn: [Task hdev->workqueue] [Task 2] iso_conn_del iso_chan_del iso…
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High 8.8
Bluetooth: ISO: avoid deadlocks in iso_sock_timeout
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: avoid deadlocks in iso_sock_timeout iso_sock_timeout() takes lock_sock, so sync disabling the timer while holding that lock may deadlock. iso_sock_timeout() may also run concu…
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High 8.8
Bluetooth: ISO: hold sk properly in iso_conn_ready
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: hold sk properly in iso_conn_ready sk deref in iso_conn_ready must be done either under conn->lock, or holding a refcount, to avoid concurrent close. conn->sk is currently acc…
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High 8.8
Bluetooth: ISO: lock sk in iso_connect_ind
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: lock sk in iso_connect_ind Accessing iso_pi(sk)->conn requires lock_sock, which is not taken in the "ev3" part of iso_connect_ind. It may also be NULL if socket has transition…
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High 8.8
Bluetooth: L2CAP: fix UAF in l2cap_le_connect_rsp
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix UAF in l2cap_le_connect_rsp l2cap_le_connect_rsp() obtains a channel via __l2cap_get_chan_by_ident() but neither holds a reference nor uses l2cap_chan_hold_unless_zero()…
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High 8.8
Bluetooth: ISO: clear iso_data always when detaching conn from hcon
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: clear iso_data always when detaching conn from hcon When setting conn->hcon = NULL, also conn->hcon->iso_data = NULL is necessary, otherwise later iso_conn_free() will UAF. Fi…
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High 8.8
wifi: ath12k: fix out-of-bounds clear_bit in ath12k_mac_dp_peer_cleanup()
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix out-of-bounds clear_bit in ath12k_mac_dp_peer_cleanup() ath12k_mac_dp_peer_cleanup() clears the ML peer ID slot on the free_ml_peer_id_map bitmap by indexing it with dp_peer…
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High 8.8
nexthop: avoid unlocked f6i_list walk in nh_rt_cache_flush
In the Linux kernel, the following vulnerability has been resolved: nexthop: avoid unlocked f6i_list walk in nh_rt_cache_flush nh_rt_cache_flush() walks nh->f6i_list during an RTNL-serialized nexthop replace without holding nh->lock, racing the unlocked IPv6 …
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High 8.8
nexthop: take nh->lock for f6i_list walks in replace check and notify
In the Linux kernel, the following vulnerability has been resolved: nexthop: take nh->lock for f6i_list walks in replace check and notify fib6_check_nh_list() and __nexthop_replace_notify() walk nh->f6i_list during an RTNL-serialized nexthop replace without h…
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High 8.8
thunderbolt: Prevent XDomain delayed work use-after-free on disconnect
In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Prevent XDomain delayed work use-after-free on disconnect tb_xdp_handle_request() runs on system_wq and queues xd->state_work via queue_delayed_work() in three request handlers: …
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High 8.8CVE-2026-74580 Public exploit
vhost: reset the vring metadata cache on vring reconfiguration
In the Linux kernel, the following vulnerability has been resolved: vhost: reset the vring metadata cache on vring reconfiguration vq->meta_iotlb[] caches the vhost_iotlb_map that backs each vring metadata region, and iotlb_access_ok() returns early on a cach…
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High 8.8
KVM: SVM: Serialize accesses to the owner and mirror list with separate lock
In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Serialize accesses to the owner and mirror list with separate lock Interaction between KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM and KVM_CAP_VM_COPY_ENC_CONTEXT_FROM can cause two separate i…
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High 8.8
vxlan: do not arm the ageing timer on a device that is down
In the Linux kernel, the following vulnerability has been resolved: vxlan: do not arm the ageing timer on a device that is down vxlan_changelink() arms vxlan->age_timer whenever the requested ageing interval differs from the configured one: if (conf.age_inter…
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High 8.8
net/dibs: Correct freeing of dmb_clientid_arr
In the Linux kernel, the following vulnerability has been resolved: net/dibs: Correct freeing of dmb_clientid_arr A dibs device interrupt handler can be active after dibs_dev_del() and may still access dmb_clientid_arr. (UAF) In case of a failure in dibs_dev_…
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High 8.8
staging: rtl8723bs: fix missing shared-key auth challenge length check
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix missing shared-key auth challenge length check The WEP shared-key authentication handler uses the challenge-text element's attacker-controlled length without checking …
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High 8.8
serial: qcom-geni: fix TX DMA buffer flush
In the Linux kernel, the following vulnerability has been resolved: serial: qcom-geni: fix TX DMA buffer flush When transmit flushing a qcom-geni UART during an ongoing TX DMA, the UART gets stuck infinitely repeating corrupted TX DMA frames. The DMA-mode uar…
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High 8.8
net: thunderbolt: Tear down DMA paths before stopping the rings
In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Tear down DMA paths before stopping the rings tbnet_tear_down() stops both rings and frees their frame buffers before calling tb_xdomain_disable_paths(). tb_ring_stop() zero…
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High 8.8
vhost-scsi: reject feature changes after endpoint
In the Linux kernel, the following vulnerability has been resolved: vhost-scsi: reject feature changes after endpoint vhost_scsi_setup_vq_cmds() runs from VHOST_SCSI_SET_ENDPOINT and allocates each command's protection scatterlist array (prot_sgl) according t…
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High 8.8
s390/vfio_ccw: Implement a crw lock
In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Implement a crw lock Unlike the channel_program struct, which covers synchronous I/O submissions and asynchronous interrupts, the CRW region relies exclusively on asynchronous …
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High 8.8
s390/vfio_ccw: Selectively expand io_mutex
In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Selectively expand io_mutex The io_mutex was defined to serialize the io_regions, but then has also sort of been associated with the I/O themselves because of the close relatio…
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High 8.8
s390/vfio_ccw: Ensure index for read/write regions are within range
In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Ensure index for read/write regions are within range The introduction of the capability chain rightly clamped the region indexes to the range of the capabilities itself, but ne…
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High 8.8
s390/vfio_ccw: Cancel existing workqueues
In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Cancel existing workqueues The initialization of the io_work and crw_work workqueues begs the question of whether they should be un-initialized. Add the corresponding cleanup t…
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High 8.8
drm/amdgpu: reject oversized IBs with per-ring packet limits
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: reject oversized IBs with per-ring packet limits On GFX rings, amdgpu_cs_p2_ib() passed user-supplied ib_bytes through to ib->length_dw without a limit, while ring_emit_ib() encod…
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High 8.8
Bluetooth: SCO: give the socket its own sco_conn reference
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: give the socket its own sco_conn reference sco_conn_del() drops a reference it does not own. It takes one transient reference via sco_conn_hold_unless_zero() and releases it w…
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High 8.8
Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that.
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High 8.8
Bluetooth: ISO: ensure no dangling hcon references in iso_conn
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: ensure no dangling hcon references in iso_conn After iso_conn_del(), ISO sockets should not dereference the hcon any more. Currently, clearing iso_conn::hcon relies on iso_con…
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High 8.8
wifi: mac80211: validate individual TWT params before driver setup
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: validate individual TWT params before driver setup ieee80211_process_rx_twt_action() only partially validates a received S1G TWT setup frame before queueing it. An individual …
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High 8.8CVE-2026-80724 Public exploit
ptp: vmclock: prevent read-only mappings from becoming writable
In the Linux kernel, the following vulnerability has been resolved: ptp: vmclock: prevent read-only mappings from becoming writable vmclock_miscdev_mmap() rejects writable mappings of the shared vmclock ABI page with -EROFS, but leaves VM_MAYWRITE set. Usersp…
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High 8.8
btrfs: initialize inode mapping flags for cached inodes
In the Linux kernel, the following vulnerability has been resolved: btrfs: initialize inode mapping flags for cached inodes [BUG] When running generic/795 with 8K block size, 4K page size, the test always fails, triggering some ASSERT()s related to folio size…
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High 8.8CVE-2026-80914 Public exploit
Bluetooth: ISO: fix use-after-free of listener socket in iso_conn_ready
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix use-after-free of listener socket in iso_conn_ready iso_conn_ready() looks up the BIS listener socket with iso_get_sock(), which takes a reference, and then, without re-ch…
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High 8.8
KVM: s390: vsie: zero stale crypto bits
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: zero stale crypto bits When shadowing crypto access bits from a format0 apcb (crycb 0 or 1), the bits 64..255 are unchanged from whatever is in the vsie page in the crycb and…
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High 8.8
wifi: mt76: mt7996: bound the device EEPROM address before the EFUSE copy
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: bound the device EEPROM address before the EFUSE copy mt7996_mcu_get_eeprom() derives the destination of the EFUSE/EXT block copy from the address reported by the MCU resp…
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High 8.8
wifi: mt76: mt7915: bound the device EEPROM address before the EFUSE copy
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: bound the device EEPROM address before the EFUSE copy mt7915_mcu_get_eeprom() copies a fixed EFUSE block into the driver's dev->mt76.eeprom.data buffer at the offset repor…
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High 8.8
net: thunderbolt: Mark the connection down when bringing it up fails
In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Mark the connection down when bringing it up fails Every failure path in tbnet_connected_work() undoes its own work and returns without clearing login_sent, so the connectio…
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High 8.8
iommufd: Fix UAF in selftest IOPF reporting
In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix UAF in selftest IOPF reporting IOMMUFD selftest TRIGGER_IOPF borrows an attach handle from group->pasid_array without synchronizing against PASID detach, then a concurrent iommu_…
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High 8.8
iommu/tegra241-cmdqv: Reject a vSID wider than the SID_MATCH field
In the Linux kernel, the following vulnerability has been resolved: iommu/tegra241-cmdqv: Reject a vSID wider than the SID_MATCH field tegra241_vintf_init_vsid() programs the guest-provided vSID into SID_MATCH, whose VIRT_SID field spans bits [20:1] with bit …
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High 8.8
ocfs2: validate rl_used against rl_count in refcount block validator
In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate rl_used against rl_count in refcount block validator ocfs2_find_refcount_rec_in_rl() walks the on-disk refcount record array with: for (; i < le16_to_cpu(rb->rf_records.rl_use…
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High 8.8
RISC-V: KVM: Fix PMU event info array size overflow
In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: Fix PMU event info array size overflow SBI PMU EVENT_GET_INFO stores guest-controlled num_events * sizeof(*einfo) in a 32-bit integer. On RV64, num_events = 0x10000001 makes 0x10…
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High 8.8
svcrdma: Clear sc_cm_id when ADDR_CHANGE replacement fails
In the Linux kernel, the following vulnerability has been resolved: svcrdma: Clear sc_cm_id when ADDR_CHANGE replacement fails When svc_rdma_listen_handler() handles RDMA_CM_EVENT_ADDR_CHANGE, it creates a replacement listener cm_id and returns 1, telling the…
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High 8.8
Bluetooth: RFCOMM: serialize security confirmation handling
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: serialize security confirmation handling rfcomm_security_cfm() looks up a session on session_list and then walks its DLC list without holding rfcomm_mutex. Since RFCOMM ses…
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High 8.8
ext2: Fix lost inode updates for IS_SYNC inodes
In the Linux kernel, the following vulnerability has been resolved: ext2: Fix lost inode updates for IS_SYNC inodes ext2_setsize() and ext2_xattr_set2() had a construct like: if (IS_SYNC(inode)) { sync_inode_metadata(inode, 1); } else { mark_inode_dirty(inode…
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High 8.8
HID: sensor: custom: Fix field sysfs group cleanup on failure
In the Linux kernel, the following vulnerability has been resolved: HID: sensor: custom: Fix field sysfs group cleanup on failure hid_sensor_custom_add_attributes() creates one sysfs group for each custom sensor field. If sysfs_create_group() fails after some…
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High 8.8
nfsd: revoke copy-notify stateids before dropping their reference
In the Linux kernel, the following vulnerability has been resolved: nfsd: revoke copy-notify stateids before dropping their reference Copy-notify stateids live in the s2s_cp_stateids IDR and on their parent stid's sc_cp_list, pinned by a single membership ref…
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High 8.8
media: cec: stm32: prevent out-of-bounds write on RX overflow
In the Linux kernel, the following vulnerability has been resolved: media: cec: stm32: prevent out-of-bounds write on RX overflow stm32_rx_done() appends each received CEC byte to rx_msg.msg[] using rx_msg.len as the write index, incrementing it on every RXBR…
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High 8.8
HID: sensor-hub: Fix out-of-bounds write in sensor_hub_get_feature
In the Linux kernel, the following vulnerability has been resolved: HID: sensor-hub: Fix out-of-bounds write in sensor_hub_get_feature sensor_hub_get_feature() clamps its return value to the caller's buffer size, but the copy loop still copies field->report_s…
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High 8.8
vfio/pci: clear vdev->msi_perm after freeing it on init failure
In the Linux kernel, the following vulnerability has been resolved: vfio/pci: clear vdev->msi_perm after freeing it on init failure vfio_msi_cap_len() lazily allocates the per-device MSI permission table: vdev->msi_perm = kmalloc_obj(struct perm_bits, GFP_KER…
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High 8.8
drm/nouveau/dmem: fix mismatched DMA unmap size for large folios
In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/dmem: fix mismatched DMA unmap size for large folios Device-private THP migration maps migration buffers with page_size() and records that length in dma_info->size. For a compound…
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High 8.8
drm/amdkfd: Add TLB flush after MES queue eviction/suspension
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Add TLB flush after MES queue eviction/suspension MES (Micro Engine Scheduler) does not perform heavy-weight TLB invalidation after unmapping queues, unlike HWS which does this au…
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High 8.8
scsi: qla2xxx: Hold vport_slock for host map update in report ID acquisition
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Hold vport_slock for host map update in report ID acquisition qla24xx_report_id_acquisition() format-1 handling drops vport_slock after taking the vport reference and then call…
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High 8.8
scsi: qla2xxx: Reject non-SCSI SRB on status IOCB fast path
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Reject non-SCSI SRB on status IOCB fast path qla2x00_status_entry() filters out non-TYPE_SRB entries and the SRB_NVME_CMD, SRB_BIDI_CMD and SRB_TM_CMD types, then falls through…
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High 8.8
scsi: qla2xxx: Initialize NVMe abort_work once at submission
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Initialize NVMe abort_work once at submission qla_nvme_fcp_abort() and qla_nvme_ls_abort() ran INIT_WORK() on priv->abort_work immediately before schedule_work(). INIT_WORK() r…
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High 8.8
media: cec: extron-da-hd-4k-plus: add sanity check
In the Linux kernel, the following vulnerability has been resolved: media: cec: extron-da-hd-4k-plus: add sanity check Add check to prevent overflowing msg.msg[] in case the incoming data is malformed.
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High 8.8
LoongArch: KVM: Validate MSI data before routing it to EIOINTC
In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Validate MSI data before routing it to EIOINTC pch_msi_set_irq() passes e->msi.data straight into eiointc_set_irq() as the irq number. The MSI data comes from userspace, that …
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High 8.8
LoongArch: KVM: Preserve memslot arch flags on KVM_MR_FLAGS_ONLY
In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Preserve memslot arch flags on KVM_MR_FLAGS_ONLY kvm_arch_prepare_memory_region() computes new->arch.flags, i.e. whether a memslot is KVM_MEM_HUGEPAGE_CAPABLE or KVM_MEM_HUGEP…
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High 8.8
KVM: arm64: vgic-v3: take an LPI reference in vgic_v3_save_pending_tables
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v3: take an LPI reference in vgic_v3_save_pending_tables vgic_v3_save_pending_tables() iterates dist->lpi_xa using xa_for_each() and dereferences the returned struct vgic_irq…
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High 8.8
KVM: x86/mmu: Consume the locked rmap value in the lockless rmap walk
In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Consume the locked rmap value in the lockless rmap walk __kvm_rmap_lock() deliberately elides the rmap lock when it observes an empty rmap. In that case kvm_rmap_lock_readonly()…
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High 8.8
KVM: nVM: Ensure INVVPID is emulated on the correct physical CPU
In the Linux kernel, the following vulnerability has been resolved: KVM: nVM: Ensure INVVPID is emulated on the correct physical CPU When emulating INVVPID, KVM executes INVVPID on the physical CPU using vpid02 (instead of the L1 assigned VPID), after doing s…
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High 8.8
KVM: nVMX: Always flush vpid02 on first use
In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Always flush vpid02 on first use Make sure vpid02 is always flushed on first use by setting last_vpid=0 when allocating vpid02. nested_vmx_transition_tlb_flush() will always detect…
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High 8.8
batman-adv: fix stale receive device on merged fragments
In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix stale receive device on merged fragments Fragment reassembly reuses the skb from the highest-numbered buffered fragment as the merged packet. When that fragment was received o…
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High 8.8
s390/vfio-ap: Fix hot-unplug skipped when last AP adapter or domain removed
In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: Fix hot-unplug skipped when last AP adapter or domain removed The vfio_ap_mdev_hot_unplug_cfg() function uses the return value of bitmap_andnot() to determine whether the guest …
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High 8.8
s390/vfio-ap: Fix control domain removal in vfio_ap_mdev_cfg_remove
In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: Fix control domain removal in vfio_ap_mdev_cfg_remove The vfio_ap_config_remove function uses the bitmap_andnot function to clear bits from the matrix_mdev->matrix.adm bitmap (s…
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High 8.8
s390/vfio-ap: fix stale pqap_hook pointer on error in vfio_ap_mdev_set_kvm()
In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix stale pqap_hook pointer on error in vfio_ap_mdev_set_kvm() In vfio_ap_mdev_set_kvm(), kvm->arch.crypto.pqap_hook is set to &matrix_mdev->pqap_hook before the update locks ar…
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High 8.8
dma-direct: return struct page from dma_direct_alloc_from_pool()
In the Linux kernel, the following vulnerability has been resolved: dma-direct: return struct page from dma_direct_alloc_from_pool() Commit 5b138c534fda ("dma-direct: factor out a dma_direct_alloc_from_pool helper") changed dma_direct_alloc_from_pool() to ret…
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High 8.8
HID: rmi: fix OOB access with undersized RMI reports
In the Linux kernel, the following vulnerability has been resolved: HID: rmi: fix OOB access with undersized RMI reports The hid-rmi driver sizes its writeReport/readReport buffer purely from the report descriptor supplied by the device, with no minimum bound…
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High 8.8
staging: rtl8723bs: fix OOB read / stack overflow in rtw_get_wps_attr()
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix OOB read / stack overflow in rtw_get_wps_attr() rtw_get_wps_attr() walks WPS attributes inside a WPS IE taken from a wireless management frame. For each candidate attr…
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High 8.8
HID: sony: clean up device list on probe failure
In the Linux kernel, the following vulnerability has been resolved: HID: sony: clean up device list on probe failure sony_input_configured() adds some controllers to sony_device_list before HID core registers their input devices. input_register_device() can f…
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High 8.8
ksmbd: defer publishing granted locks to prevent UAF/double-free race
In the Linux kernel, the following vulnerability has been resolved: ksmbd: defer publishing granted locks to prevent UAF/double-free race In smb2_lock(), mid-batch granted locks are published to connection-wide (conn->lock_list) and file-wide (fp->lock_list) …
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High 8.8
iommu/vt-d: Flush context cache with correct SID when tearing down aliases
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Flush context cache with correct SID when tearing down aliases domain_context_clear_one() and device_pasid_table_teardown() are both invoked once per DMA alias of a device. Each f…
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High 8.8
Bluetooth: hci_conn: fix the SCO setup context lifetime
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: fix the SCO setup context lifetime hci_setup_sync() queues a conn_handle_t with a NULL destroy callback, so the context is only freed if hci_enhanced_setup_sync() actuall…
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High 8.8
Bluetooth: L2CAP: use proto_lock for l2cap_data to fix l2cap_disconn_ind
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: use proto_lock for l2cap_data to fix l2cap_disconn_ind hci_conn::l2cap_data is accessed without locks in l2cap_disconn_ind via hci_conn_timeout (disc_work) -> hci_proto_disc…
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High 8.8
drm/amdgpu/gfx6: Use PFP on the compute queues too
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/gfx6: Use PFP on the compute queues too On GFX6, the compute rings use the same CP path as the graphics ring. The only difference is that they don't support draw commands. (As oppo…
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High 8.8
HID: synchronize input before cleaning up a failed probe
In the Linux kernel, the following vulnerability has been resolved: HID: synchronize input before cleaning up a failed probe hid_device_io_start() allows reports to run concurrently with probe. If the probe subsequently fails, __hid_device_probe() releases dr…
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High 8.8
wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement The flow is added to dev->twt_list before sending the agreement to the firmware, but the error path leaves it linked while…
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High 8.8
wifi: mt76: mt7996: hold dev->mt76.mutex while disabling tx worker in SER
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: hold dev->mt76.mutex while disabling tx worker in SER mt7996_mac_reset_work() parked the tx worker and disabled the RX/TX NAPIs before taking dev->mt76.mutex. mt76_worker_…
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High 8.8
wifi: mt76: fix RXDMAD_C buffer recycling race
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: fix RXDMAD_C buffer recycling race The RXDMAD_C buffers come from the RRO data queues' page pools, which are bound to a different NAPI, so the direct page-pool recycle used here c…
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High 8.8
wifi: mt76: mt7921: Add PCIe AER handler support to prevent system crash
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: Add PCIe AER handler support to prevent system crash When an AER error occurs and the bus is hung, the register reads return 0xFFFFFFFF, causing the DMA queue state to be …
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High 8.8
wifi: mt76: mt792x: fix use-after-free in mt76_rx_poll_complete
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt792x: fix use-after-free in mt76_rx_poll_complete A use-after-free issue occurs in mt76_rx_poll_complete due to a race condition. The STA has already been removed, but the rx_st…
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High 8.8
wifi: mt76: fix handling channel context with different bands in mt76_switch_vif_chanctx()
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: fix handling channel context with different bands in mt76_switch_vif_chanctx() When performing channel switches on different radios within a short timeframe, channel contexts with…
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High 8.8
iommu/tegra241-cmdqv: Require exactly one Stream ID for a vSID
In the Linux kernel, the following vulnerability has been resolved: iommu/tegra241-cmdqv: Require exactly one Stream ID for a vSID tegra241_vintf_init_vsid() maps a guest vSID to a single physical Stream ID taken from master->streams[0], and only warns when t…
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High 8.8
dmaengine: dw-edma: Terminate all descriptors without callbacks
In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw-edma: Terminate all descriptors without callbacks The DMA Engine client documentation says in the "Terminate APIs" section of Documentation/driver-api/dmaengine/client.rst: "No …
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High 8.8
HID: core: quiesce input in hid_hw_stop() to prevent use-after-free
In the Linux kernel, the following vulnerability has been resolved: HID: core: quiesce input in hid_hw_stop() to prevent use-after-free A driver's probe calls hid_device_io_start() to enable input delivery, then fails at a later initialization step and unwind…
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High 8.8
greybus: audio: bound the topology section sizes against the fetched size
In the Linux kernel, the following vulnerability has been resolved: greybus: audio: bound the topology section sizes against the fetched size gb_audio_gb_get_topology() fetches a topology blob of a module-supplied size, and gbaudio_tplg_parse_data() then walk…
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High 8.8
drm/pagemap: dma-unmap pages before handling migration errors
In the Linux kernel, the following vulnerability has been resolved: drm/pagemap: dma-unmap pages before handling migration errors drm_pagemap_migrate_unmap_pages() relies on the pages array to determine which pages require DMA unmapping. However, drm_pagemap_…
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High 8.8
wifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif mvmsta->tid_data was indexed by the TFD loop counter 'i' instead of the actual TID value 'tid'. This writes lq_color into a r…
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High 8.8
wifi: iwlwifi: mvm: validate TX_CMD response layout
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: validate TX_CMD response layout TX_CMD parsing uses frame_count to walk status entries and then read the trailing SCD SSN. Make the minimum-length check follow that exact …
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High 8.8
wifi: iwlwifi: mvm: validate sta_id in BA window status notif
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: validate sta_id in BA window status notif BA_WINDOW_STATUS_NOTIFICATION_ID extracts a 5-bit sta_id from the firmware notification and uses it to index fw_id_to_mac_id[] wi…
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High 8.8
wifi: cfg80211: validate assoc response length before status and IE access
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: validate assoc response length before status and IE access cfg80211_rx_assoc_resp() initialises the status and response-IE fields of cfg80211_connect_resp_params from the mana…
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High 8.8
nvme-fc: Do not cancel requests in io target before it is initialized
In the Linux kernel, the following vulnerability has been resolved: nvme-fc: Do not cancel requests in io target before it is initialized A new nvme-fc controller in CONNECTING state sees admin request timeout schedules ctrl->ioerr_work to abort inflight requ…
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High 8.8
wifi: ath11k: fix invalid data access in ath11k_dp_rx_h_undecap_nwifi
In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix invalid data access in ath11k_dp_rx_h_undecap_nwifi In certain cases, hardware might provide packets with a length greater than the maximum native Wi-Fi header length. This …
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High 8.8
thunderbolt: Keep XDomain reference during the lifetime of a service
In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Keep XDomain reference during the lifetime of a service This is needed because we release the service ID in tb_service_release() and the ID array is owned by the parent XDomain.
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High 8.8
scsi: qla2xxx: Serialize NVMe unsol ctx list with a per-fcport lock
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Serialize NVMe unsol ctx list with a per-fcport lock The fcport->unsol_ctx_head list is modified from several contexts without a common lock. Entries are added in qla2xxx_proce…
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High 8.8
scsi: qla2xxx: Unlink NVMe unsol ctx before freeing on LS reject error
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Unlink NVMe unsol ctx before freeing on LS reject error qla_nvme_xmt_ls_rsp() obtains uctx, which was linked into fcport->unsol_ctx_head by qla2xxx_process_purls_iocb() and is …
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High 8.8CVE-2026-97555 Public exploit
smb: client: fix heap overflow in DACL owner/group rewrite
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix heap overflow in DACL owner/group rewrite When id_mode_to_cifs_acl rewrites an existing DACL, it allocates a buffer sized according to the on-disk DACL length reported by dac…
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High 8.8
net: hinic: fix mailbox segment buffer overflow
In the Linux kernel, the following vulnerability has been resolved: net: hinic: fix mailbox segment buffer overflow check_mbox_seq_id_and_seg_len() validates that seq_id does not exceed SEQ_ID_MAX_VAL (42) and seg_len does not exceed MBOX_SEG_LEN (48). Howeve…
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High 8.8
ksmbd: safely drain sessions during logoff
In the Linux kernel, the following vulnerability has been resolved: ksmbd: safely drain sessions during logoff SMB3 multichannel allows requests for one session to run on multiple connections. Wait for all channels bound to a session before freeing shared ses…
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High 8.8
smb: client: fix next_buffer UAF and NextCommand bounds in compound PDUs
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix next_buffer UAF and NextCommand bounds in compound PDUs Fix several related bounds checking and pointer lifecycle issues in receive_encrypted_standard()'s handling of compoun…
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High 8.8
powerpc/iommu: Fix the overflow validation in iommu_tce_check_ioba
In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Fix the overflow validation in iommu_tce_check_ioba The commit b1af23d836f8 ("KVM: PPC: iommu: Unify TCE checking") unified IOBA parameter checking across KVM and VFIO into iom…
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High 8.8
KVM: PPC: Book3S HV: fix use-after-free in kvmhv_emulate_tlbie_all_lpid()
In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Book3S HV: fix use-after-free in kvmhv_emulate_tlbie_all_lpid() kvmhv_emulate_tlbie_all_lpid() iterates the nested-guest IDR and drops mmu_lock before calling kvmhv_emulate_tlbie_lp…
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High 8.8
wifi: cfg80211: don't filter by BSS type when removing stale entries
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: don't filter by BSS type when removing stale entries When an assoc AP switches to a channel that already has a BSS entry, cfg80211_update_assoc_bss_entry() removes that entry …
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High 8.8
tcp: fix use-after-free of retransmit_skb_hint in tcp_send_synack()
In the Linux kernel, the following vulnerability has been resolved: tcp: fix use-after-free of retransmit_skb_hint in tcp_send_synack() When tcp_send_synack() replaces the cloned SYN skb at the head of the retransmit queue with a copy, it frees the original w…
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High 8.8
smb: client: use finish_no_open() for non-regular inodes
In the Linux kernel, the following vulnerability has been resolved: smb: client: use finish_no_open() for non-regular inodes An O_CREAT open can find an existing symlink or another non-regular inode. cifs_atomic_open() calls finish_open() on it and attaches a…
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High 8.8
namei: don't reveal overmounted entries in refwalk
In the Linux kernel, the following vulnerability has been resolved: namei: don't reveal overmounted entries in refwalk In rcuwalk the dentry is validated before it is accepted. step_into() step_into() rechecks d_seq and __follow_mount_rcu() rechecks mount_loc…
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High 8.8
namespace: unhash a dentry before detaching the mounts on it
In the Linux kernel, the following vulnerability has been resolved: namespace: unhash a dentry before detaching the mounts on it unlink(), rmdir() and rename() remove the entry from the filesystem, call detach_mounts() on the entry with the inode locked and t…
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High 8.8
namespace: keep covered mounts covered in OPEN_TREE_NAMESPACE
In the Linux kernel, the following vulnerability has been resolved: namespace: keep covered mounts covered in OPEN_TREE_NAMESPACE open_tree(OPEN_TREE_NAMESPACE) creates a new mount namespace from a copy of the tree at the given path. The caller needs to be pr…
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High 8.6
inet: frags: strip GSO state from fragments before reassembly
In the Linux kernel, the following vulnerability has been resolved: inet: frags: strip GSO state from fragments before reassembly A virtio_net_hdr (tun/tap, or AF_PACKET with PACKET_VNET_HDR) can mark an IPv4 or IPv6 fragment as GSO; nothing relates gso_type …
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High 8.4
i2c: imx: Cancel hrtimer before clearing slave pointer
In the Linux kernel, the following vulnerability has been resolved: i2c: imx: Cancel hrtimer before clearing slave pointer In i2c_imx_unreg_slave(), the slave pointer is set to NULL after disabling interrupts. However, a pending interrupt might already have s…
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High 8.4
netfilter: ipset: do not update comments from kernel-side hash adds
In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: do not update comments from kernel-side hash adds mtype_resize() copies comment pointers with memcpy(), not the comment objects themselves. During the window after an entry …
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High 8.4
ALSA: usb-audio: Clamp frame size in implicit-feedback mode
In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Clamp frame size in implicit-feedback mode snd_usb_handle_sync_urb() scales received sync packet sizes by the sender's stride and stores the result directly in out_packet->pa…
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High 8.4
bpf, sockmap: Fix sk_redir use-after-free in send verdict
In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix sk_redir use-after-free in send verdict sk_psock_msg_verdict() takes a socket reference for psock->sk_redir. tcp_bpf_send_verdict() copies that pointer while holding the sou…
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High 8.4
Revert "thermal/drivers/hwmon: Cleanup coding style a bit"
In the Linux kernel, the following vulnerability has been resolved: Revert "thermal/drivers/hwmon: Cleanup coding style a bit" Revert commit 030a48b0f6ce ("thermal/drivers/hwmon: Cleanup coding style a bit") that introduced a use-after-free into the error pat…
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High 8.4
vsock/virtio: read virtqueues under worker locks
In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: read virtqueues under worker locks Commit bd50c5dc182b ("vsock/virtio: add support for device suspend/resume") made the *_run flags transition from false to true when restore in…
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High 8.4
net: smc: fix splice entry lifetime imbalance in smc_rx_splice
In the Linux kernel, the following vulnerability has been resolved: net: smc: fix splice entry lifetime imbalance in smc_rx_splice smc_rx_splice() passes pages to splice_to_pipe() before taking the references that cover the lifetime of each splice entry. In t…
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High 8.4
s390/ism: Fix UAF of sba and ieq during ism_dev_exit()
In the Linux kernel, the following vulnerability has been resolved: s390/ism: Fix UAF of sba and ieq during ism_dev_exit() A ism interrupt handler can be active in parallel with ism_dev_exit(), accessing freed data structures. No new interrupts will be genera…
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High 8.4
hwmon: (pmbus) Fix type confusion in notification logic
In the Linux kernel, the following vulnerability has been resolved: hwmon: (pmbus) Fix type confusion in notification logic Sashiko reports: At the start of the loop in pmbus_notify(), the code unconditionally casts every attribute to a struct sensor_device_a…
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High 8.4
xfs: bounds-check buffer log item's dirty bitmap
In the Linux kernel, the following vulnerability has been resolved: xfs: bounds-check buffer log item's dirty bitmap xlog_recover_do_reg_buffer() replays each dirty region described by a buffer log item's bitmap into the buffer read for that item: memcpy(xfs_…
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High 8.4
Input: focaltech - fix array out-of-bounds in focaltech_process_rel_packet
In the Linux kernel, the following vulnerability has been resolved: Input: focaltech - fix array out-of-bounds in focaltech_process_rel_packet Make finger2 (and also finger1) unsigned, so that if the finger index in the packet is 0 then subtracting 1 creates …
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High 8.4
s390/qeth: validate user buffer length in SNMP and ARP query ioctls
In the Linux kernel, the following vulnerability has been resolved: s390/qeth: validate user buffer length in SNMP and ARP query ioctls qeth_snmp_command() and qeth_l3_arp_query() allocate a buffer sized by a user-supplied length (udata_len) without checking …
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High 8.4
i2c: imx: Fix slave registration race and error handling
In the Linux kernel, the following vulnerability has been resolved: i2c: imx: Fix slave registration race and error handling In i2c_imx_reg_slave(), the slave pointer was assigned before pm_runtime_resume_and_get(). If pm_runtime_resume_and_get() failed, the …
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High 8.4
spi: spi-qpic-snand: write the feature value before executing SET_FEATURE
In the Linux kernel, the following vulnerability has been resolved: spi: spi-qpic-snand: write the feature value before executing SET_FEATURE qcom_spi_send_cmdaddr() programs NAND_FLASH_CMD/NAND_EXEC_CMD and submits the descriptors, which makes the controller…
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High 8.4
io_uring: preserve task restrictions across exec
In the Linux kernel, the following vulnerability has been resolved: io_uring: preserve task restrictions across exec Per-task restrictions apply to all rings created by a task. Once installed, they should not be dropped across exec. For a task that has used i…
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High 8.4
of: reserved_mem: prevent OOB when too many dynamic regions are defined
In the Linux kernel, the following vulnerability has been resolved: of: reserved_mem: prevent OOB when too many dynamic regions are defined On boot, fdt_scan_reserved_mem() saves each dynamically-placed /reserved-memory subnode into a local array of size MAX_…
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High 8.4
regulator: fp9931: Fix VPOS/VNEG voltage selector table
In the Linux kernel, the following vulnerability has been resolved: regulator: fp9931: Fix VPOS/VNEG voltage selector table The VPOSNEG_table[] mapping does not match the FP9931 datasheet. The datasheet defines the VPOS/VNEG voltage mapping as: 00h-04h -> 7.0…
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High 8.4
pmdomain: mediatek: fix remaining %pOF after of_node_put()
In the Linux kernel, the following vulnerability has been resolved: pmdomain: mediatek: fix remaining %pOF after of_node_put() scpsys_get_bus_protection_legacy() looks up several legacy bus protection regmaps from device-tree nodes. Two error paths put the de…
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High 8.4
Input: psxpad-spi - set driver data before use
In the Linux kernel, the following vulnerability has been resolved: Input: psxpad-spi - set driver data before use psxpad_spi_suspend() retrieves the controller state with spi_get_drvdata(), but probe never stores it, so suspend dereferences a NULL pointer. S…
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High 8.4
ovpn: run deferred work on a module-owned workqueue
In the Linux kernel, the following vulnerability has been resolved: ovpn: run deferred work on a module-owned workqueue ovpn queues several work items whose callbacks execute module text. These works currently run on the global system workqueues, so module ex…
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High 8.4
vsock/virtio: flush works in dependency order
In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: flush works in dependency order virtio_vsock_remove() stops the virtqueues and then flushes each work item before freeing the enclosing virtio_vsock. The current order does not …
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High 8.4
i3c: master: adi: initialize the lock before enabling interrupts
In the Linux kernel, the following vulnerability has been resolved: i3c: master: adi: initialize the lock before enabling interrupts adi_i3c_master_probe() requests the IRQ and unmasks REG_IRQ_PENDING_CMDR before the controller's IBI state, transfer queue lis…
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High 8.4
ALSA: pcxhr: initialize mutexes before requesting threaded IRQ
In the Linux kernel, the following vulnerability has been resolved: ALSA: pcxhr: initialize mutexes before requesting threaded IRQ pcxhr_probe() requests pcxhr_threaded_irq() before initializing mgr->lock, even though the threaded handler takes that mutex. In…
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High 8.4
ipmi:msghandler: Cancel work cleanly on an error
In the Linux kernel, the following vulnerability has been resolved: ipmi:msghandler: Cancel work cleanly on an error If an error occurs during startup of an IPMI interface, it may have scheduled work to run. The work needs to be canceled before the interface …
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High 8.4
platform/x86: hp-bioscfg: fix off-by-one write in hp_get_string_from_buffer()
In the Linux kernel, the following vulnerability has been resolved: platform/x86: hp-bioscfg: fix off-by-one write in hp_get_string_from_buffer() hp_get_string_from_buffer() clamps the converted string length against the destination buffer size with "size > d…
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High 8.4
platform/chrome: sensorhub: Bound the EC-reported sensor number
In the Linux kernel, the following vulnerability has been resolved: platform/chrome: sensorhub: Bound the EC-reported sensor number Each EC FIFO event carries an 8-bit sensor number (in->sensor_num). cros_ec_sensorhub_ring_handler() validates the FIFO event c…
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High 8.4
iommu/msm: Unwind probe state on registration failure
In the Linux kernel, the following vulnerability has been resolved: iommu/msm: Unwind probe state on registration failure msm_iommu_probe() adds its devm-managed IOMMU object to qcom_iommu_devices before adding the IOMMU sysfs device and registering it with t…
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High 8.4
power: supply: rt9455: quiesce delayed work before teardown
In the Linux kernel, the following vulnerability has been resolved: power: supply: rt9455: quiesce delayed work before teardown The threaded IRQ handler can queue pwr_rdy_work, max_charging_time_work and batt_presence_work. pwr_rdy_work and batt_presence_work…
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High 8.4
power: supply: lp8727: fix use-after-free in lp8727_release_irq()
In the Linux kernel, the following vulnerability has been resolved: power: supply: lp8727: fix use-after-free in lp8727_release_irq() lp8727_isr_func(), the threaded IRQ handler, is the only caller that arms pchg->work via schedule_delayed_work(). lp8727_rele…
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High 8.4
power: supply: cros_usbpd: Limit port counts to EC_USB_PD_MAX_PORTS
In the Linux kernel, the following vulnerability has been resolved: power: supply: cros_usbpd: Limit port counts to EC_USB_PD_MAX_PORTS Currently the cros_usbpd-charger driver probe iterates based on raw charger port count returned by the embedded controller.…
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High 8.4
power: supply: cros_usbpd-charger: bound the EC-reported port count
In the Linux kernel, the following vulnerability has been resolved: power: supply: cros_usbpd-charger: bound the EC-reported port count cros_usbpd_charger_probe() reads two port counts from the EC and uses one of them, num_charger_ports, as the loop bound whe…
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High 8.4
regulator: as3722_get_regulator_dt_data: fix premature of_node_put leaving dangling of_node pointer
In the Linux kernel, the following vulnerability has been resolved: regulator: as3722_get_regulator_dt_data: fix premature of_node_put leaving dangling of_node pointer In as3722_get_regulator_dt_data(), of_get_child_by_name() acquires a reference on np, which…
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High 8.4
landlock: Require LANDLOCK_ACCESS_FS_MAKE_REG for whiteout creation
In the Linux kernel, the following vulnerability has been resolved: landlock: Require LANDLOCK_ACCESS_FS_MAKE_REG for whiteout creation Whiteout objects are used in the upper layer of an OverlayFS to indicate that the file with this name does not exist in the…
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High 8.4
ACPI: APEI: GHES: fix ARM section length accounting after header
In the Linux kernel, the following vulnerability has been resolved: ACPI: APEI: GHES: fix ARM section length accounting after header In ghes_handle_arm_hw_error(), after skipping the cper_sec_proc_arm header with (err + 1), the remaining length was reduced by…
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High 8.4
fbdev: omapfb: panel-dsi-cm: initialize lock before registering display
In the Linux kernel, the following vulnerability has been resolved: fbdev: omapfb: panel-dsi-cm: initialize lock before registering display dsicm_probe() registers the display before initializing ddata->lock. Once omapdss_register_display() publishes the disp…
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High 8.4
fs/ntfs3: bound page_lcns[] index by the log record
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: bound page_lcns[] index by the log record The copy_lcns loop and the redo shorten loop index page_lcns[] at j + i, where i runs up to the log record's lcns_follow. That count is che…
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High 8.4
device property: fix infinite loop in fwnode_for_each_child_node()
In the Linux kernel, the following vulnerability has been resolved: device property: fix infinite loop in fwnode_for_each_child_node() When iterate over children of a fwnode that has a secondary fwnode, fwnode_get_next_child_node() can enter an infinite loop …
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High 8.4
fs/ntfs3: fix out-of-bounds read in read_log_rec_buf()
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix out-of-bounds read in read_log_rec_buf() read_log_rec_buf() copies a log record into a caller buffer starting at u32 off = lsn_to_page_off(log, lsn) + log->record_header_len; lo…
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High 8.4
fs/ntfs3: reject restart table growth beyond U16_MAX entries
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: reject restart table growth beyond U16_MAX entries During $LogFile replay, log_replay() indexes the transaction table by the transact_id taken from the log record header. check_log_…
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High 8.4
PCI: Allow per function PCI slots to fix slot reset on s390
In the Linux kernel, the following vulnerability has been resolved: PCI: Allow per function PCI slots to fix slot reset on s390 On s390 systems, which use a machine level hypervisor, PCI devices are always accessed through a form of PCI pass-through which fun…
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High 8.4
drm/sysfb: ofdrm: Fix integer overflow in fb_size calculation
In the Linux kernel, the following vulnerability has been resolved: drm/sysfb: ofdrm: Fix integer overflow in fb_size calculation The framebuffer size calculation `fb_size = linebytes * height` can overflow when both values are large (e.g., 46341 * 46341 > IN…
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High 8.4
scsi: qla2xxx: Clamp MSI-X derived queue counts to avoid truncation
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Clamp MSI-X derived queue counts to avoid truncation ha->msix_count is u16, but ha->max_req_queues, ha->max_rsp_queues and ha->max_qpairs are u8. Deriving the queue count as "h…
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High 8.4
media: saa7164: fix cleanup on resource allocation failure
In the Linux kernel, the following vulnerability has been resolved: media: saa7164: fix cleanup on resource allocation failure saa7164_dev_setup() adds the device to the global saa7164_devlist before requesting the PCI BAR memory regions. If get_resources() f…
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High 8.4
media: platform: mtk-mdp3: Fix SCP device refcounting
In the Linux kernel, the following vulnerability has been resolved: media: platform: mtk-mdp3: Fix SCP device refcounting mdp_probe() first tries to get the SCP handle with scp_get(). When that fails, it falls back to looking up the SCP platform device with _…
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High 8.4
LoongArch: Fix acpi_package_ids[] array overflow
In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix acpi_package_ids[] array overflow With LoongArch virt machine, a typical setting is one core per socket, there will max 256 sockets (packages) on one VM. With PPTT acpi table, …
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High 8.4
cpuidle: dt_idle_genpd: kfree() the original name allocation
In the Linux kernel, the following vulnerability has been resolved: cpuidle: dt_idle_genpd: kfree() the original name allocation dt_idle_pd_alloc() kasprintf()s the full node path, then points pd->name at kbasename() of that string. dt_idle_pd_free() kfree()s…
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High 8.4
irqchip/gic-v5: Check get_logical_index() return value in MADT IAFFID parsing
In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v5: Check get_logical_index() return value in MADT IAFFID parsing In gic_acpi_parse_iaffid() a given MADT GICC entry might not correspond to a logical cpu recognized by the kernel…
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High 8.4
mailbox: riscv-sbi-mpxy: validate RPMI notification lengths
In the Linux kernel, the following vulnerability has been resolved: mailbox: riscv-sbi-mpxy: validate RPMI notification lengths The SBI return value controls how many bytes are copied from shared memory into the RPMI notification buffer. It is not validated a…
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High 8.4
apparmor: fix unconfined user namespace restriction forced stack
In the Linux kernel, the following vulnerability has been resolved: apparmor: fix unconfined user namespace restriction forced stack If a task is already confined by a stack the unprivileged transition restriction on unconfined is not correctly, applied. This…
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High 8.4
arm64: ptrace: Keep 'orig_x0' in-sync with x0 on syscall entry
In the Linux kernel, the following vulnerability has been resolved: arm64: ptrace: Keep 'orig_x0' in-sync with x0 on syscall entry Commit e057b9477232 ("arm64: syscall: Ensure saved x0 is kept in-sync with tracer updates") attempted to resolve a long-standing…
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High 8.4
wifi: ath11k: fix stride mismatch in mac_phy_caps_parse()
In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix stride mismatch in mac_phy_caps_parse() Currently, in ath11k_wmi_tlv_mac_phy_caps_parse(), kcalloc() sizes the mac_phy_caps buffer as tot_phy_id * len, where len is clamped …
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High 8.4
wifi: ath12k: fix stride mismatch in mac_phy_caps_parse()
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix stride mismatch in mac_phy_caps_parse() Currently, in ath12k_wmi_mac_phy_caps_parse(), kzalloc() sizes the mac_phy_caps buffer as tot_phy_id * len, where len is clamped to m…
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High 8.4
wifi: iwlwifi: mei: check SAP message length before reading it
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mei: check SAP message length before reading it Verify the SAP message size is not larger than the local buffer before reading the message to avoid buffer overflow.
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High 8.4
platform/chrome: cros_ec_typec: Reject out-of-bounds PD cap count
In the Linux kernel, the following vulnerability has been resolved: platform/chrome: cros_ec_typec: Reject out-of-bounds PD cap count cros_typec_register_partner_pdos() copies the partner PDOs from the EC TYPEC_STATUS response into the fixed caps_desc.pdo[PDO…
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High 8.4
nvdimm: virtio_pmem: refcount requests for token lifetime
In the Linux kernel, the following vulnerability has been resolved: nvdimm: virtio_pmem: refcount requests for token lifetime KASAN reports slab-use-after-free in __wake_up_common(): BUG: KASAN: slab-use-after-free in __wake_up_common+0x114/0x160 Read of size…
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High 8.4
virtio-fs: avoid double-free on failed queue setup
In the Linux kernel, the following vulnerability has been resolved: virtio-fs: avoid double-free on failed queue setup virtio_fs_setup_vqs() allocates fs->vqs and fs->mq_map before calling virtio_find_vqs(). If virtio_find_vqs() fails, the error path frees bo…
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High 8.4
ACPICA: validate handler object type in two places
In the Linux kernel, the following vulnerability has been resolved: ACPICA: validate handler object type in two places ACPICA: validate handler object type in acpi_ev_has_default_handler() and acpi_ev_find_region_handler().
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High 8.4
ACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op)
In the Linux kernel, the following vulnerability has been resolved: ACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op) Add overflow check for Index + Length to prevent integer overflow when calculating the truncation length. This prevents nega…
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High 8.4
ACPICA: Prevent adding invalid references
In the Linux kernel, the following vulnerability has been resolved: ACPICA: Prevent adding invalid references Prevent adding references for local, argument, and debug objects in acpi_ut_copy_simple_object().
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High 8.4
ACPICA: Fix use-after-free in acpi_ds_terminate_control_method()
In the Linux kernel, the following vulnerability has been resolved: ACPICA: Fix use-after-free in acpi_ds_terminate_control_method() Fix use-after-free issue in acpi_ds_terminate_control_method() by clearing references to method locals and arguments.
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High 8.4
namespace: never expire a locked mount
In the Linux kernel, the following vulnerability has been resolved: namespace: never expire a locked mount Locked mounts are special. They protect the underlying files and directories from being revealed. do_umount() refuses to unmount locked mounts but shrin…
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High 8.2
KVM: SVM: Update x2APIC MSR intercepts if AVIC is inhibited while L2 is active
In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Update x2APIC MSR intercepts if AVIC is inhibited while L2 is active Always update x2APIC MSR intercepts for L1 when AVIC is deactivated, even if L2 is active and KVM is using a sep…
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High 8.2
bnxt_en: Disable EOP for TPA on all chips to prevent data corruption
In the Linux kernel, the following vulnerability has been resolved: bnxt_en: Disable EOP for TPA on all chips to prevent data corruption EOP (End of frame padding) on the AGG ring may cause overlapping of zero padding at the end of one segment with the next s…
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High 8.2
net/sched: sch_cake: drop WARN_ON(1) for malformed packets in ACK filter
In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_cake: drop WARN_ON(1) for malformed packets in ACK filter The sch_cake ACK filter parses packets to find the TCP header and filter duplicated ACKs if the flow is backlogged. Th…
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High 8.2
s390/vfio_ccw: Move cp cleanup out of not operational
In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Move cp cleanup out of not operational The fsm_notoper() routine is called when the device has been lost, and is (by definition) no longer operational. Since this can happen as…
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High 8.2
net/smc: carry oversized SMC-Rv2 LLC messages in the queue entry
In the Linux kernel, the following vulnerability has been resolved: net/smc: carry oversized SMC-Rv2 LLC messages in the queue entry smc_llc_rmt_delete_rkey() and smc_llc_save_add_link_rkeys() read the part of a v2 message that does not fit into the 44-byte u…
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High 8.2
mptcp: fix uninitialized local_id in syncookie MP_JOIN reconstruction
In the Linux kernel, the following vulnerability has been resolved: mptcp: fix uninitialized local_id in syncookie MP_JOIN reconstruction mptcp_token_join_cookie_init_state() restores remote_nonce, local_nonce, backup, join_id, token and msk from the saved co…
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High 8.2
ata: libata-scsi: fix DSM TRIM for sector sizes larger than 2048 bytes
In the Linux kernel, the following vulnerability has been resolved: ata: libata-scsi: fix DSM TRIM for sector sizes larger than 2048 bytes ata_scsi_write_same_xlat() translates a SCSI WRITE SAME command with the UNMAP bit set into an ATA DATA SET MANAGEMENT T…
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High 8.2
smb: client: fix use-before-check of ReparseDataLength in reparse_buf_ptr()
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-before-check of ReparseDataLength in reparse_buf_ptr() reparse_buf_ptr() reads buf->ReparseDataLength before checking that count covers the full fixed header: buf = (stru…
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High 8.2
nfsd: reject out-of-range useconds in NFSv2 SETATTR/CREATE
In the Linux kernel, the following vulnerability has been resolved: nfsd: reject out-of-range useconds in NFSv2 SETATTR/CREATE The NFSv2 sattr decoder converts the wire useconds to nanoseconds in svcxdr_decode_sattr(): iap->ia_atime.tv_nsec = tmp2 * NSEC_PER_…
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High 8.2
NFSD: remove flawed WARN_ON_ONCE from nfsd_mode_check
In the Linux kernel, the following vulnerability has been resolved: NFSD: remove flawed WARN_ON_ONCE from nfsd_mode_check The header for commit e75b23f9e323 ("nfsd: check d_can_lookup in fh_verify of directories") details the assumption that justified adding …
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High 8.2
nvme-tcp: check the data direction of a C2HData PDU
In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: check the data direction of a C2HData PDU nvme_tcp_handle_c2h_data() finds the request by command id and checks that it has a payload, but it does not check that the command asked f…
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High 8.2
iommu/vt-d: Tear down scalable-mode context on probe failure
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Tear down scalable-mode context on probe failure intel_pasid_setup_sm_context() walks a PCI device’s DMA aliases via pci_for_each_dma_alias() and programs a scalable-mode context …
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High 8.2
PCI: dwc: ep: Flush cached MSI write before unmapping the iATU
In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: ep: Flush cached MSI write before unmapping the iATU The MSI-X path already flushes any posted MSI-X write before tearing down its iATU mapping. That was added by commit c22533c66cc…
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High 8.2
RDMA/rxe: Avoid reprocessing the current packet after the QP enters the error state
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Avoid reprocessing the current packet after the QP enters the error state When do_complete() finds the QP in the error state it returns RESPST_CHK_RESOURCE. Before commit 49dc9c1f0c…
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High 8.2
nvme: validate FDP configuration descriptor sizes
In the Linux kernel, the following vulnerability has been resolved: nvme: validate FDP configuration descriptor sizes Validate descriptor sizes while walking the FDP configurations log so dsze == 0 or a descriptor past the log end cannot cause unbounded itera…
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High 8.2
x86/mm/pat: Allocate split page tables as kernel page tables
In the Linux kernel, the following vulnerability has been resolved: x86/mm/pat: Allocate split page tables as kernel page tables A PTE is allocated directly without going through the standard page table allocation routines (such as pte_alloc_one_kernel()) whe…
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High 8.2
KVM: arm64: Transfer the hyp stack pages out of the host stage-2
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Transfer the hyp stack pages out of the host stage-2 fix_host_ownership() walks only the linear-map alias of each memblock region, and the per-CPU hyp stack, mapped in the private…
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High 8.1
ima: Instantiate file_truncate and path_truncate hooks
In the Linux kernel, the following vulnerability has been resolved: ima: Instantiate file_truncate and path_truncate hooks Instantiate the file_truncate and path_truncate LSM hooks to reset the action cache flags (IMA_DONE_MASK) as soon as truncation is reque…
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High 8.1
staging: rtl8723bs: fix OOB read in rtw_get_wpa_ie()
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix OOB read in rtw_get_wpa_ie() rtw_get_wpa_ie() reads bytes at fixed offsets into a vendor-specific information element without checking that the element is long enough,…
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High 8.1
net/iucv: filter frames in afiucv_hs_rcv() by ingress device
In the Linux kernel, the following vulnerability has been resolved: net/iucv: filter frames in afiucv_hs_rcv() by ingress device afiucv_hs_rcv() selects a socket from iucv_sk_list by matching four 8-byte name fields in the transport header alone. No check is …
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High 8.1
wifi: ath6kl: clamp assoc request/response lengths before subtracting IE offsets
In the Linux kernel, the following vulnerability has been resolved: wifi: ath6kl: clamp assoc request/response lengths before subtracting IE offsets ath6kl_cfg80211_connect_event() subtracts fixed IE offsets from assoc_req_len (-= 4) and assoc_resp_len (-= 6)…
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High 8.1
svcrdma: Reorder rpcrdma_rn_unregister before rdma_destroy_id
In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reorder rpcrdma_rn_unregister before rdma_destroy_id svc_rdma_free() caches rdma->sc_cm_id->device before teardown, then calls rdma_destroy_id(sc_cm_id) which frees the cm_id. rpcrdm…
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High 8.1
SUNRPC: Check svc pool percpu counter allocation
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Check svc pool percpu counter allocation __svc_create() initializes three per-pool percpu_counter stats and ignores every return value. On SMP, percpu_counter_init() fails when __allo…
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High 8.1
Bluetooth: eir: Fix OOB read in eir_get_service_data()
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: eir: Fix OOB read in eir_get_service_data() eir_get_service_data() walks the advertising data for a Service Data field with a matching UUID. On a mismatch it advances: eir += dlen;…
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High 8.1
nfsd: close shrinker/GC/fsnotify vs per-net shutdown race in filecache
In the Linux kernel, the following vulnerability has been resolved: nfsd: close shrinker/GC/fsnotify vs per-net shutdown race in filecache The shrinker, GC worker, and fsnotify/lease callbacks can unhash an nfsd_file from the rhashtable and then call nfsd_fil…
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High 8.1
nfsd: fix fcache_disposal UAF by inlining dispose state into nfsd_net
In the Linux kernel, the following vulnerability has been resolved: nfsd: fix fcache_disposal UAF by inlining dispose state into nfsd_net nfsd_file_dispose_list_delayed() defers fput() to nfsd service threads via a per-net freeme queue, preventing the shrinke…
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High 8.1
lockd, nfsd: RCU-protect nlmsvc_ops dispatch
In the Linux kernel, the following vulnerability has been resolved: lockd, nfsd: RCU-protect nlmsvc_ops dispatch nlmsvc_ops is published by nfsd_lockd_init() and cleared by nfsd_lockd_shutdown() with plain stores, while lockd dereferences it unguarded from di…
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High 8.1
scsi: qla2xxx: Quiesce response IRQ before freeing request queue
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Quiesce response IRQ before freeing request queue qla2xxx_delete_qpair() deletes the request queue before the response queue. qla25xx_delete_req_que() frees the request queue m…
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High 8.1
scsi: qla2xxx: Hold vport reference in qla24xx_report_id_acquisition()
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Hold vport reference in qla24xx_report_id_acquisition() In the format 1 path, the virtual port is located on ha->vp_list while holding vport_slock, but the lock is dropped befo…
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High 8.1
HID: wacom: validate report length in wacom_intuos_pro2_bt_irq
In the Linux kernel, the following vulnerability has been resolved: HID: wacom: validate report length in wacom_intuos_pro2_bt_irq wacom_intuos_pro2_bt_irq() receives the wire report length in `len` but never consults it before parsing. After the report-id ga…
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High 8.1
ksmbd: bound smb_check_perm_dacl() ACE walks by DACL size
In the Linux kernel, the following vulnerability has been resolved: ksmbd: bound smb_check_perm_dacl() ACE walks by DACL size smb_check_perm_dacl() validates that the DACL fits inside the NT security descriptor, but then bounds its two ACE walks by the remain…
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High 8.1
ksmbd: Do not skip lock checks for single-byte ranges
In the Linux kernel, the following vulnerability has been resolved: ksmbd: Do not skip lock checks for single-byte ranges check_lock_range() uses inclusive ranges. Its callers pass the end offset as start + length - 1, so start == end represents a valid singl…
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High 8.1
iommu/vt-d: Clear Present bit before tearing down copied context entry
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down copied context entry copied_context_tear_down() zeroes the 128-bit context entry with context_clear_entry() while the Present bit is still se…
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High 8.1
ocfs2: o2hb: quiesce negotiate handlers and timeout work
In the Linux kernel, the following vulnerability has been resolved: ocfs2: o2hb: quiesce negotiate handlers and timeout work Heartbeat regions publish struct o2hb_region as the private data for the NEGO_TIMEOUT and NEGO_APPROVE o2net handlers as soon as make_…
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High 8.1
nfsd: convert nfsd_net boolean flags to unsigned long flags word
In the Linux kernel, the following vulnerability has been resolved: nfsd: convert nfsd_net boolean flags to unsigned long flags word nfsd_net contains several boolean fields that are accessed from concurrent contexts without serialization. In particular, nfsd…
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High 8.1
svcrdma: Fix unmatched rn_unregister on failed accept
In the Linux kernel, the following vulnerability has been resolved: svcrdma: Fix unmatched rn_unregister on failed accept When svc_rdma_accept() takes the errout path before rpcrdma_rn_register() has succeeded, the existing cleanup block calls rpcrdma_rn_unre…
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High 8.1
ksmbd: fix maximum allowed access checks
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix maximum allowed access checks The DACL permission check looks for an ACE matching the current user and falls back to the Everyone ACE. It does not consider an Authenticated Users A…
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High 8.1
ksmbd: preserve VFS inherited POSIX ACL mask
In the Linux kernel, the following vulnerability has been resolved: ksmbd: preserve VFS inherited POSIX ACL mask The VFS initializes a child's POSIX ACL from the parent's default ACL and the requested creation mode. Do not mutate the parent ACL or overwrite t…
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High 8.1
smb: client: bound dirent name against end of SMB response in cifs_filldir
In the Linux kernel, the following vulnerability has been resolved: smb: client: bound dirent name against end of SMB response in cifs_filldir cifs_filldir() copies the entry name out of an SMB1 TRANS2_FIND_FIRST / FIND_NEXT response using a length (de.namele…
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High 8.1
bnxt_en: Handle buffer allocation failure in bnxt_rx_ring_reset()
In the Linux kernel, the following vulnerability has been resolved: bnxt_en: Handle buffer allocation failure in bnxt_rx_ring_reset() bnxt_rx_ring_reset() frees the ring buffers and then reallocates them, ignoring the result. bnxt_alloc_one_rx_ring() can fail…
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High 8.1
net/rds: acquire the fastpath locks in rds_conn_shutdown()
In the Linux kernel, the following vulnerability has been resolved: net/rds: acquire the fastpath locks in rds_conn_shutdown() rds_conn_shutdown() quiesces the transmit and receive-refill paths by waiting for RDS_IN_XMIT and RDS_RECV_REFILL to be sampled clea…
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High 8.1
net/rds: acquire RDS_IN_XMIT in rds_tcp_reset_callbacks()
In the Linux kernel, the following vulnerability has been resolved: net/rds: acquire RDS_IN_XMIT in rds_tcp_reset_callbacks() rds_tcp_reset_callbacks() quiesces the transmit path by setting the path state to RDS_CONN_RESETTING and then waiting for RDS_IN_XMIT…
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High 8.1
sctp: fix a TOCTOU race in SCTP_CMD_TIMER_START
In the Linux kernel, the following vulnerability has been resolved: sctp: fix a TOCTOU race in SCTP_CMD_TIMER_START The SCTP_CMD_TIMER_START handler checks timer_pending() before calling timer_reduce(). The timer can expire and detach between these operations…
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High 8.1
net: lan743x: fix RX checksum use-after-free
In the Linux kernel, the following vulnerability has been resolved: net: lan743x: fix RX checksum use-after-free lan743x_rx_process_buffer() adds each non-first receive buffer to the head skb's frag_list. On the last descriptor, lan743x_rx_trim_skb() lineariz…
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High 8.1
cifs: Fix server use-after-free in cifs_chan_skip_or_disable()
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix server use-after-free in cifs_chan_skip_or_disable() When a secondary channel is no longer supported by the server, cifs_chan_skip_or_disable() drops the channel reference with cifs…
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High 8.1
IB/isert: wait for deferred control PDU completions before releasing the connection
In the Linux kernel, the following vulnerability has been resolved: IB/isert: wait for deferred control PDU completions before releasing the connection isert_send_done() hands ISTATE_SEND_TASKMGTRSP, ISTATE_SEND_REJECT and ISTATE_SEND_TEXTRSP completions off …
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High 8.1
smb: client: fix create context out-of-bounds reads
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix create context out-of-bounds reads smb2_parse_contexts() validates the complete create-context area but does not limit each record to its Next field before dispatching it. A …
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High 8.1CVE-2026-98499 Public exploit
HID: wacom: fix OOB read in wacom_wac_pen_serial_enforce()
In the Linux kernel, the following vulnerability has been resolved: HID: wacom: fix OOB read in wacom_wac_pen_serial_enforce() The 'wacom_wac_pen_serial_enforce()' function may calculate and pass an invalid offset to hid_field_extract(), resulting in memory r…
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High 8.1
ipv6: do not let ipv6_find_hdr() return an offset past the packet end
In the Linux kernel, the following vulnerability has been resolved: ipv6: do not let ipv6_find_hdr() return an offset past the packet end ipv6_find_hdr() walks the extension header chain, skipping each header by the length that header itself declares. ipv6_op…
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High 8.1
amt: send the relay's General Query directly from the receive path
In the Linux kernel, the following vulnerability has been resolved: amt: send the relay's General Query directly from the receive path An skb queued in a qdisc can outlive the tunnel it references through a raw pointer in skb->cb. For example, with igmp_qrv s…
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High 8.1
cipso: adjust cached option offsets when removing CIPSO
In the Linux kernel, the following vulnerability has been resolved: cipso: adjust cached option offsets when removing CIPSO cipso_v4_skbuff_delattr() removes the CIPSO bytes but does not adjust cached offsets for options that follow them. For example, with a …
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High 8.0
Bluetooth: hci_sync: hold conn in hci_past_sync() callback
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_past_sync() callback Avoids giving freed pointers to hci_conn_valid(), which kmalloc may have reused. Hold refcount to avoid that.
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High 8.0
Bluetooth: ISO: lock sk in iso_sock_getname
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: lock sk in iso_sock_getname Accessing iso_pi(sk)->conn requires lock_sock, which is not held here. Fix by adding the lock/release.
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High 8.0
drm/amdkfd: Add bounds check for CRAT subtype length
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Add bounds check for CRAT subtype length The CRAT parser validates that the subtype header fits within the image, but does not verify that the advertised subtype length fits. A ma…
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High 8.0
clk: meson: align gxbb_32k_clk_sel number of parents with actual count
In the Linux kernel, the following vulnerability has been resolved: clk: meson: align gxbb_32k_clk_sel number of parents with actual count The following out-of-bounds read has been observed by Christian on a GXBB WeTek Hub: ===================================…
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High 8.0
mtd: afs: validate v2 image info bounds
In the Linux kernel, the following vulnerability has been resolved: mtd: afs: validate v2 image info bounds The AFS v2 parser uses footer[8] to locate the image information block inside the current erase block, then uses the image information region_count to …
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High 8.0
Bluetooth: L2CAP: fix race l2cap_sock_cleanup_listen() vs. put_chan
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix race l2cap_sock_cleanup_listen() vs. put_chan For L2CAP sockets without owning sk->sk_socket, reading l2cap_pi(sk)->chan may race against concurrent l2cap_sock_kill() ->…
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High 8.0
Bluetooth: L2CAP: reject accept queue add unless BT_LISTEN
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: reject accept queue add unless BT_LISTEN New sk should not be added to parent socket accept queue after last l2cap_sock_cleanup_listen() has run in l2cap_sock_teardown_cb() …
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High 7.9
s390/vfio_ccw: Fix out of bounds check on CCW array
In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Fix out of bounds check on CCW array The routine ccwchain_calc_length() counts the number of channel command words (CCWs) that are chained together in a single channel program,…
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High 7.9
KVM: arm64: Correctly cap TLBI Range to the architural limit
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Correctly cap TLBI Range to the architural limit TLB Invalidation by Range has a fairly powerful way of encoding pretty large ranges in a small number of bits. This range can be b…
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High 7.8
drm/xe/vf: Add drm_dev guards when detaching CCS read/write buffers
In the Linux kernel, the following vulnerability has been resolved: drm/xe/vf: Add drm_dev guards when detaching CCS read/write buffers CCS read/write buffers are freed during BO destruction. In some cases, BOs may be destroyed after the device is unbound but…
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High 7.8
s390/zcrypt: Validate length for CCA ECC private key requests
In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA ECC private key requests cca_ecc2protkey() derives the copy length for the CPRB parameter block directly from the length field in the key token. Reject th…
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High 7.8
s390/zcrypt: Validate length for CCA AES cipher key requests
In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA AES cipher key requests cca_cipher2protkey() derives the copy length for the CPRB parameter block directly from the length field in the key token. Reject …
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High 7.8
tipc: fix UAF in cleanup_bearer() due to premature dst_cache_destroy()
In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in cleanup_bearer() due to premature dst_cache_destroy() TIPC UDP media bearer teardown calls dst_cache_destroy() on its replicast caches before calling synchronize_net() to wai…
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High 7.8
drm/xe: Wait on external BO kernel fences in exec IOCTL
In the Linux kernel, the following vulnerability has been resolved: drm/xe: Wait on external BO kernel fences in exec IOCTL Before arming a user job, xe_exec_ioctl() only added the VM's dma-resv KERNEL slot as a dependency. That slot covers rebinds and the ke…
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High 7.8
drm/vmwgfx: validate DRAW_PRIMITIVES header size before division
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: validate DRAW_PRIMITIVES header size before division vmw_cmd_draw() computes maxnum = (header->size - sizeof(cmd->body)) / sizeof(*decl); where header->size is u32 and is taken st…
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High 7.8
drm/amdkfd: hold event_mutex while checkpointing CRIU events
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: hold event_mutex while checkpointing CRIU events kfd_criu_checkpoint_events() counts the entries in p->event_idr via kfd_get_num_events(), allocates an array sized to that count, …
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High 7.8
drm/amdkfd: fix uint32_t overflow in EOP ring buffer size alignment
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix uint32_t overflow in EOP ring buffer size alignment eop_ring_buffer_size in struct queue_properties is a u32. In kfd_queue_acquire_buffers() the expected EOP buffer size is co…
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High 7.8
drm/amd/display: Fix divide-by-zero in calculate_mcache_setting on zero viewport
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix divide-by-zero in calculate_mcache_setting on zero viewport If a plane reaches calculate_mcache_setting with a zero-area viewport, calculate_mcache_setting exits early wi…
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High 7.8
drm/amd/pm: fix pptable use-after-free
In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: fix pptable use-after-free amdgpu_dpm_get_pp_table() returns a pointer to a driver-owned power table after dropping adev->pm.mutex. The sysfs path then copies from that pointer. A…
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High 7.8
drm/panthor: validate firmware interface structure sizes
In the Linux kernel, the following vulnerability has been resolved: drm/panthor: validate firmware interface structure sizes iface_fw_to_cpu_addr() only checks that the firmware-provided MCU virtual address points inside the shared section. The returned point…
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High 7.8
drm/panthor: reject firmware sections with oversized data
In the Linux kernel, the following vulnerability has been resolved: drm/panthor: reject firmware sections with oversized data In panthor_fw_load_section_entry(), the data size to copy is calculated without validating it against the allocated section_size: sec…
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High 7.8
drm/vc4: Zero the tile state data array before each BIN job
In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Zero the tile state data array before each BIN job The binner BO is a single 16MB buffer split into 512KB slots that are handed out to jobs at submission time and recycled as jobs co…
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High 7.8
drm/vc4: Supply the overflow slot size in BPOS, not the whole bin BO size
In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Supply the overflow slot size in BPOS, not the whole bin BO size vc4_overflow_mem_work() points BPOA at a 512KB slot inside the 16MB binner BO, but writes the size of the whole BO to…
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High 7.8
can: peak_usb: peak_usb_start(): fix double free of transfer buffer on URB submit error
In the Linux kernel, the following vulnerability has been resolved: can: peak_usb: peak_usb_start(): fix double free of transfer buffer on URB submit error In peak_usb_start(), each RX URB transfer buffer is allocated with kmalloc() and the URB is flagged URB…
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High 7.8
net: openvswitch: fix potential UAF on meter attach failure
In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix potential UAF on meter attach failure While attaching a newly created meter attach_meter() function makes the new meter visible to other CPUs but can still fail afterwar…
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High 7.8
s390/qeth: Check CAP_NET_ADMIN for private ioctls
In the Linux kernel, the following vulnerability has been resolved: s390/qeth: Check CAP_NET_ADMIN for private ioctls Gate the SIOCDEVPRIVATE ioctl commands SIOC_QETH_ADP_SET_SNMP_CONTROL, SIOC_QETH_GET_CARD_TYPE and SIOC_QETH_QUERY_OAT with CAP_NET_ADMIN cap…
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High 7.8
scsi: scsi_debug: Fix REPORT ZONES alloc_len underflow OOB write
In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_debug: Fix REPORT ZONES alloc_len underflow OOB write resp_report_zones() sizes the reply buffer from the CDB allocation length. The v3 fix rounds alloc_len up with ALIGN() before …
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High 7.8
tracing: Check return value of __register_event() in trace_module_add_events()
In the Linux kernel, the following vulnerability has been resolved: tracing: Check return value of __register_event() in trace_module_add_events() trace_module_add_events() ignores the return value of __register_event() and unconditionally calls __add_event_t…
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High 7.8
net: pktgen: fix proc entry use-after-free
In the Linux kernel, the following vulnerability has been resolved: net: pktgen: fix proc entry use-after-free pktgen_change_name() replaces pkt_dev->entry while holding t->if_lock. pktgen_remove_device() removes the same entry before _rem_dev_from_if_list() …
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High 7.8
mm/page_reporting: use system_freezable_wq to fix UAF during suspend
In the Linux kernel, the following vulnerability has been resolved: mm/page_reporting: use system_freezable_wq to fix UAF during suspend During PM freeze (e.g. S3 suspend or S4 hibernation), device drivers like virtio_balloon reset their underlying virtio dev…
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High 7.8
mm/huge_memory: unlock i_mmap_rwsem before releasing after-split folios
In the Linux kernel, the following vulnerability has been resolved: mm/huge_memory: unlock i_mmap_rwsem before releasing after-split folios __folio_split() keeps dereferencing the mapping after the split: shmem_uncharge(mapping->host) and remap_page() while t…
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High 7.8
fou: Fix use-after-free in fou_create()
In the Linux kernel, the following vulnerability has been resolved: fou: Fix use-after-free in fou_create() fou_create() publishes struct fou through sk_user_data before adding the new FOU port to the per-netns list. If fou_add_to_port_list() fails, the error…
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High 7.8
ALSA: timer: Clear SNDRV_TIMER_IFLG_DEAD once the close completes
In the Linux kernel, the following vulnerability has been resolved: ALSA: timer: Clear SNDRV_TIMER_IFLG_DEAD once the close completes snd_timer_close_locked() marks an instance with SNDRV_TIMER_IFLG_DEAD and returns early when the flag is already set, but the…
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High 7.8
afs: Fix UAF when sending a message
In the Linux kernel, the following vulnerability has been resolved: afs: Fix UAF when sending a message In afs_make_call(), there's a race with async call reception and destruction. If a call is dispatched that doesn't have call->write_iter set (used to speci…
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High 7.8
Bluetooth: mgmt: fix UAF in pair command cancellation
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: mgmt: fix UAF in pair command cancellation The pairing completion and authentication failure callbacks look up the pending MGMT_OP_PAIR_DEVICE command by walking hdev->mgmt_pending…
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High 7.8
audit: fix potential use-after-free in audit_del_rule()
In the Linux kernel, the following vulnerability has been resolved: audit: fix potential use-after-free in audit_del_rule() `audit_del_rule()` destroys `e->rule.exe` via `audit_remove_mark_rule()` before unlinking the rule from RCU-visible filter lists and wa…
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High 7.8
dibs: fix use-after-free of dmb_node in loopback attach/detach/unregister
In the Linux kernel, the following vulnerability has been resolved: dibs: fix use-after-free of dmb_node in loopback attach/detach/unregister dibs_lo_attach_dmb(), dibs_lo_detach_dmb() and dibs_lo_unregister_dmb() look up the dmb_node under dmb_ht_lock, drop …
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High 7.8
mm/hugetlb: fix list corruption in allocate_file_region_entries()
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix list corruption in allocate_file_region_entries() allocate_file_region_entries() tops up resv->region_cache with freshly allocated file_region descriptors. The allocation uses…
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High 7.8
pinctrl: devicetree: don't free uninitialized dev_name on error path
In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: don't free uninitialized dev_name on error path dt_remember_or_free_map() duplicates dev_name for each map entry. If kstrdup_const() fails, dt_free_map() frees dev_name i…
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High 7.8
Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that.
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High 7.8
net/sched: cls_u32: validate offshift to prevent shift-out-of-bounds
In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_u32: validate offshift to prevent shift-out-of-bounds u32_change() copies the user-provided tc_u32_sel.offshift (unsigned char, 0-255) into the kernel knode object without boun…
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High 7.8
forcedeth: fix UAF of txrx_stats in nv_remove
In the Linux kernel, the following vulnerability has been resolved: forcedeth: fix UAF of txrx_stats in nv_remove nv_remove() frees the per-CPU txrx_stats before unregister_netdev(). Until unregister completes, ndo_get_stats64, the NAPI/xmit data path, and nv…
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High 7.8
hwmon: (nct6775-core) Prevent access to unsupported weight registers
In the Linux kernel, the following vulnerability has been resolved: hwmon: (nct6775-core) Prevent access to unsupported weight registers Sashiko reports: During initialization of the nct6116 chip, the driver sets data->pwm_num to 5. However, it assigns severa…
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High 7.8
hwmon: (nzxt-smart2) DMA-align output buffer
In the Linux kernel, the following vulnerability has been resolved: hwmon: (nzxt-smart2) DMA-align output buffer Sashiko reports: When send_output_report() calls hid_hw_output_report(), the underlying USB HID core calls usb_interrupt_msg() which maps this buf…
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High 7.8
rds: tcp: hold the RCU lock across ipv6_chk_addr() in rds_tcp_laddr_check()
In the Linux kernel, the following vulnerability has been resolved: rds: tcp: hold the RCU lock across ipv6_chk_addr() in rds_tcp_laddr_check() rds_tcp_laddr_check() looks up a scoped IPv6 interface with dev_get_by_index_rcu(), drops the RCU read-side lock, a…
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High 7.8
netfilter: nf_tables: make nft_object rhltable per table
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: make nft_object rhltable per table The nft_object rhltable is global, this allows for accessing objects that are being dismangled from lookup path by other existing netn…
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High 7.8
dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev_open()
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev_open() The failed_dev_add and failed_dev_name paths drop the file-device reference while wq->wq_lock is still held. If put_device(…
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High 7.8
packet: use consistent hard_header_len in non-ring send paths
In the Linux kernel, the following vulnerability has been resolved: packet: use consistent hard_header_len in non-ring send paths packet_snd() reads dev->hard_header_len multiple times while allocating and constructing an skb. Device reconfiguration can chang…
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High 7.8CVE-2026-74583 Public exploit
net/sched: cls_route: fix fastmap use-after-free on filter
In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_route: fix fastmap use-after-free on filter The route4 classifier maintains a 16-slot fastmap cache that stores raw struct route4_filter pointers indexed by (id, iif). The read…
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High 7.8
fsverity: Fix bpf_get_fsverity_digest() dynptr assumptions
In the Linux kernel, the following vulnerability has been resolved: fsverity: Fix bpf_get_fsverity_digest() dynptr assumptions The BPF verifier and the dynptr abstraction ensure that the memory space referenced by a dynptr remains valid. They do not, however,…
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High 7.8
sched/psi: Shut down rtpoll_timer in psi_cgroup_free()
In the Linux kernel, the following vulnerability has been resolved: sched/psi: Shut down rtpoll_timer in psi_cgroup_free() psi_schedule_rtpoll_work() is called locklessly from the scheduler hotpath and can race psi_trigger_destroy() taking down the last rtpol…
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High 7.8
fscrypt: use the mount idmap for the owner check in fscrypt_ioctl_set_policy()
In the Linux kernel, the following vulnerability has been resolved: fscrypt: use the mount idmap for the owner check in fscrypt_ioctl_set_policy() fscrypt_ioctl_set_policy() calls inode_owner_or_capable() with &nop_mnt_idmap before allowing an encryption poli…
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High 7.8
ring-buffer: Use current_context for safe per-CPU buffer swap
In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Use current_context for safe per-CPU buffer swap The ring_buffer_swap_cpu() function currently checks the per-CPU committing counter to determine if a buffer is actively being wr…
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High 7.8
eventfs: Use children field for rcu head and add memory barriers
In the Linux kernel, the following vulnerability has been resolved: eventfs: Use children field for rcu head and add memory barriers When an eventfs inode is freed, it sets ei->is_freed and then uses its ei->list to add it to the srcu link list as the list fi…
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High 7.8
eventfs: Fix use-after-free in eventfs_remove_rec()
In the Linux kernel, the following vulnerability has been resolved: eventfs: Fix use-after-free in eventfs_remove_rec() eventfs_remove_rec() recursively removes the child at the current loop position. After the recursive call returns, list_for_each_entry() ad…
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High 7.8
tipc: read le->link under the node lock in tipc_node_link_down()
In the Linux kernel, the following vulnerability has been resolved: tipc: read le->link under the node lock in tipc_node_link_down() tipc_node_link_down() caches the link pointer before taking n->lock: struct tipc_link *l = le->link; /* unlocked */ if (!l) re…
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High 7.8
tls: don't leave a full plaintext sk_msg ring unpushed
In the Linux kernel, the following vulnerability has been resolved: tls: don't leave a full plaintext sk_msg ring unpushed When the copy path in tls_sw_sendmsg_locked() adds the fragment that fills the plaintext sk_msg ring, it does not set full_record, so th…
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High 7.8
vsock/virtio: avoid refilling the RX queue after teardown
In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: avoid refilling the RX queue after teardown Commit b917507e5ad9 ("vsock/virtio: stop workers during the .remove()") made the RX worker jump to its common exit when rx_run is cle…
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High 7.8
net: devmem: prevent net-iov / page mixing
In the Linux kernel, the following vulnerability has been resolved: net: devmem: prevent net-iov / page mixing We should either have net_iov or page backed frags in a single skb, otherwise it blows up down the stack. Don't allow mixing in zerocopy_fill_skb_fr…
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High 7.8
ipv6: prevent in6_dev_get() from resurrecting inet6_dev
In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent in6_dev_get() from resurrecting inet6_dev in6_dev_get() reads dev->ip6_ptr under RCU and then unconditionally increments its refcount. Device teardown can clear the pointer and …
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High 7.8
mm/huge_memory: fix huge_zero_pfn race
In the Linux kernel, the following vulnerability has been resolved: mm/huge_memory: fix huge_zero_pfn race Patch series "mm/huge_memory: fix huge_zero_pfn race", v2. There is a subtle race in the reference-counted huge_zero_folio implementation. The fast path…
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High 7.8
ring-buffer: Prevent subbuf order change when resizing is disabled
In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Prevent subbuf order change when resizing is disabled Because ring_buffer_subbuf_order_set() frees buffer pages, we can't allow it when resizing is disabled. A non-consuming read…
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High 7.8
fbdev: bitblit: bound-check glyph index in bit_cursor()
In the Linux kernel, the following vulnerability has been resolved: fbdev: bitblit: bound-check glyph index in bit_cursor() bit_cursor() fetches the glyph under the cursor with c = scr_readw(vc_pos); src = vc_font.data + ((c & charmask) * w * height); where c…
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High 7.8
perf/core: Fix group leader use-after-free after sibling detach
In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix group leader use-after-free after sibling detach perf_group_detach() handles leader and sibling detach differently. When the group leader is detached, all siblings are promoted…
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High 7.8
ALSA: FCP: fix OOB write in fcp_meter_ctl_get()
In the Linux kernel, the following vulnerability has been resolved: ALSA: FCP: fix OOB write in fcp_meter_ctl_get() fcp_ioctl_set_meter_map() bounds the user-supplied Level Meter map size by the driver's own limit of 255 if (map.map_size < 1 || map.map_size >…
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High 7.8
ALSA: usx2y: bound the hwdep mmap fault offset
In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: bound the hwdep mmap fault offset snd_us428ctls_vm_fault() turns the faulting page offset into a kernel address with no bound of any kind: offset = vmf->pgoff << PAGE_SHIFT; vadd…
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High 7.8
misc: fastrpc: take fl->lock when moving mmaps on interrupted invoke
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: take fl->lock when moving mmaps on interrupted invoke When an invoke is interrupted by a signal, wait_for_completion_interruptible() returns -ERESTARTSYS and fastrpc_internal_i…
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High 7.8
misc: fastrpc: Remove buffer from list prior to unmap operation
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Remove buffer from list prior to unmap operation fastrpc_req_munmap_impl() is called to unmap any buffer. The buffer is getting removed from the list after it is unmapped from …
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High 7.8
staging: rtl8723bs: validate monitor transmit frame lengths
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: validate monitor transmit frame lengths rtw_cfg80211_monitor_if_xmit_entry() removes the radiotap header and then reads the 802.11 frame control field without checking tha…
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High 7.8
serial: amba-pl011: cancel RS485 hrtimers after freeing IRQ
In the Linux kernel, the following vulnerability has been resolved: serial: amba-pl011: cancel RS485 hrtimers after freeing IRQ The RS485 trigger hrtimers are embedded in the devm-managed port and can fire after it is freed. The IRQ handler can arm a timer, s…
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High 7.8
ipv4: fix use-after-free in fib_nhc_update_mtu()
In the Linux kernel, the following vulnerability has been resolved: ipv4: fix use-after-free in fib_nhc_update_mtu() fib_nhc_update_mtu() walks the nexthop exception table under RTNL, but RTNL does not serialize this walk with PMTU exception updates. The walk…
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High 7.8
netfilter: ebt_nflog: pin the NFLOG backend
In the Linux kernel, the following vulnerability has been resolved: netfilter: ebt_nflog: pin the NFLOG backend nf_log_unregister() runs after the per-net teardown so its final RCU grace period also drains readers that obtained the logger from a per-net bindi…
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High 7.8
mac802154: fix netdev use-after-free in beacon worker
In the Linux kernel, the following vulnerability has been resolved: mac802154: fix netdev use-after-free in beacon worker mac802154_beacon_worker() reads local->beacon_req under RCU and derives the sub-interface from the request, but then drops the RCU read l…
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High 7.8
net/sched: reject overly deep qdisc hierarchies
In the Linux kernel, the following vulnerability has been resolved: net/sched: reject overly deep qdisc hierarchies Deep qdisc hierarchies can lead to excessive recursion in qdisc tree walkers and exhaust the kernel stack. The existing loop check does not cov…
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High 7.8
packet: synchronize pressure clearing with ring reconfiguration
In the Linux kernel, the following vulnerability has been resolved: packet: synchronize pressure clearing with ring reconfiguration packet_set_ring() updates the RX ring state under sk_receive_queue.lock, but used to publish the tpacket receive mode through p…
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High 7.8
net/packet: reset the MAC header on the packet-socket transmit path
In the Linux kernel, the following vulnerability has been resolved: net/packet: reset the MAC header on the packet-socket transmit path packet_parse_headers() resets the MAC header only for a SOCK_RAW frame whose socket did not bind a protocol. A protocol-bou…
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High 7.8
packet: use consistent hard_header_len in TX_RING send path
In the Linux kernel, the following vulnerability has been resolved: packet: use consistent hard_header_len in TX_RING send path tpacket_snd() reads dev->hard_header_len independently for skb allocation and header construction in tpacket_fill_skb(). Concurrent…
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High 7.8
ipvs: stop estimator after disabled calc phase
In the Linux kernel, the following vulnerability has been resolved: ipvs: stop estimator after disabled calc phase IPVS estimator kthread 0 starts with zeroed chain and tick limits until its initial calculation phase completes. If network namespace teardown c…
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High 7.8
mm: fix incorrect flush address in direct page table reclaim
In the Linux kernel, the following vulnerability has been resolved: mm: fix incorrect flush address in direct page table reclaim When zap_pte_range reclaims a page table, it does: pte_free_tlb(tlb, pmd_pgtable(pmdval), addr); and this is unconditionally wrong…
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High 7.8
vt: stabilize tty reference in kbd_keycode with tty_port_tty_get
In the Linux kernel, the following vulnerability has been resolved: vt: stabilize tty reference in kbd_keycode with tty_port_tty_get kbd_keycode() reads vc->port.tty without acquiring a tty reference, racing against con_shutdown() which clears port.tty under …
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High 7.8
watchdog: at91sam9_wdt: prevent timer rearm during teardown
In the Linux kernel, the following vulnerability has been resolved: watchdog: at91sam9_wdt: prevent timer rearm during teardown at91_ping() rearms the watchdog timer from its callback. timer_delete() neither waits for a running callback nor prevents it from r…
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High 7.8
net/sched: cls_api: Always acquire rtnl_lock when destroying locked classifiers
In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_api: Always acquire rtnl_lock when destroying locked classifiers Another challenge with unlocked filters. There is a short window in tc_new_tfilter where a tcf_proto can be fou…
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High 7.8
net/openvswitch: check Ethernet header length in key_extract()
In the Linux kernel, the following vulnerability has been resolved: net/openvswitch: check Ethernet header length in key_extract() When a packet arrives on an ARPHRD_NONE device (e.g. TUN), ovs_flow_key_extract() trusts the user-provided skb->protocol field: …
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High 7.8
xsk: validate metadata when processing requests
In the Linux kernel, the following vulnerability has been resolved: xsk: validate metadata when processing requests The zero-copy path validates TX metadata while obtaining the descriptor context, then reads it again later when preparing the hardware request.…
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High 7.8
xsk: validate launch-time metadata size
In the Linux kernel, the following vulnerability has been resolved: xsk: validate launch-time metadata size Launch-time metadata extends beyond the first 16 bytes of struct xsk_tx_metadata. Reject the request when the registered metadata area does not contain…
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High 7.8
xsk: require at least 16 bytes of TX metadata
In the Linux kernel, the following vulnerability has been resolved: xsk: require at least 16 bytes of TX metadata AF_XDP accepts a TX metadata length as small as eight bytes, but every supported request needs the flags plus at least one eight-byte request fie…
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High 7.8
bpf: tcp: Fix use-after-free in bpf_iter_tcp_established_batch()
In the Linux kernel, the following vulnerability has been resolved: bpf: tcp: Fix use-after-free in bpf_iter_tcp_established_batch() reqsk_queue_hash_req() publishes a TCP_NEW_SYN_RECV request_sock onto the ehash chain, drops the bucket lock, and only afterwa…
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High 7.8
bpf: Fix netns reference imbalance in conntrack kfuncs
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix netns reference imbalance in conntrack kfuncs The opts argument of the BPF conntrack kfuncs can point to a shared map value. __bpf_nf_ct_lookup() and __bpf_nf_ct_alloc_entry() read o…
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High 7.8
bpf: Preserve pointer state for commuted arithmetic
In the Linux kernel, the following vulnerability has been resolved: bpf: Preserve pointer state for commuted arithmetic When scalar += pointer is handled in adjust_ptr_min_max_vals(), the destination register inherits the pointer state from the source pointer…
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High 7.8
accel/amxdna: Fix page-insertion errors in amdxdna_insert_pages()
In the Linux kernel, the following vulnerability has been resolved: accel/amxdna: Fix page-insertion errors in amdxdna_insert_pages() Two error paths in amdxdna_insert_pages() called vma->vm_ops->close(vma) before returning an error code to the caller. This i…
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High 7.8
ipvs: avoid out-of-bounds write in ip_vs_nat_icmp
In the Linux kernel, the following vulnerability has been resolved: ipvs: avoid out-of-bounds write in ip_vs_nat_icmp Sashiko warns that local attacker can modify the packet while it is processed by IPVS. Some places read the IP ihl field multiple times which…
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High 7.8
enic: fix tx_hang_reset use-after-free on device removal
In the Linux kernel, the following vulnerability has been resolved: enic: fix tx_hang_reset use-after-free on device removal enic_remove() cancels the reset and change_mtu_work items but does not cancel tx_hang_reset. A TX timeout that fires while the device …
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High 7.8
gpio: pca953x: fix pca953x_irq_bus_sync_unlock regmap lock
In the Linux kernel, the following vulnerability has been resolved: gpio: pca953x: fix pca953x_irq_bus_sync_unlock regmap lock Locking is disabled in the regmap config as this driver uses its own lock. This means that all calls to regmap functions (read or wr…
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High 7.8
net/sched: cls_bpf: reject dev-bound programs bound to a different device
In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_bpf: reject dev-bound programs bound to a different device cls_bpf_prog_from_efd() obtained a SCHED_CLS program via bpf_prog_get_type_dev() but never verified that a device-bou…
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High 7.8
net/sched: cls_u32: skip hash tables in u32_bind_class()
In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_u32: skip hash tables in u32_bind_class() u32_walk() enumerates both struct tc_u_hnode and struct tc_u_knode through the walker callback. u32_bind_class() unconditionally casts…
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High 7.8
ipvs: revalidate ihl to prevent out-of-bounds access
In the Linux kernel, the following vulnerability has been resolved: ipvs: revalidate ihl to prevent out-of-bounds access While the outer IP header is already pulled into the skb head, we must be careful and revalidate the embedded headers after reading them f…
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High 7.8
netfilter: ipset: fix refcount race between list:set GC and swap
In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix refcount race between list:set GC and swap __ip_set_put_byindex() resolved the index to a set pointer under RCU, then took ip_set_ref_lock in __ip_set_put() to decrement…
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High 7.8
perf: Reject exited events as group leaders
In the Linux kernel, the following vulnerability has been resolved: perf: Reject exited events as group leaders perf_event_remove_on_exec() sets remove-on-exec events to the EXIT state and detaches their group relationships. The event's file descriptor can re…
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High 7.8CVE-2026-80521 Public exploit
af_unix: Unlink scc_entry in unix_del_edge().
In the Linux kernel, the following vulnerability has been resolved: af_unix: Unlink scc_entry in unix_del_edge(). Kyle Zeng reported that GC could free a dead SCC partially. The scenario is as follows: 1) Create two SCCs: X -. A <-> B ^--' 2) Run the followin…
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High 7.8
crypto: tegra - fix rctx->cryptlen calculation in tegra_gcm_do_one_req()
In the Linux kernel, the following vulnerability has been resolved: crypto: tegra - fix rctx->cryptlen calculation in tegra_gcm_do_one_req() Perform rctx->cryptlen calculation in tegra_gcm_do_one_req() the same way it is done in tegra_ccm_crypt_init(). The cu…
References
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report
https://ubuntu.com/security/CVE-2026-68305
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report
https://ubuntu.com/security/CVE-2026-68451
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report
https://ubuntu.com/security/CVE-2026-68452
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report
https://ubuntu.com/security/CVE-2026-68453
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report
https://ubuntu.com/security/CVE-2026-72404
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report
https://ubuntu.com/security/CVE-2026-72497
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report
https://ubuntu.com/security/CVE-2026-74440
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report
https://ubuntu.com/security/CVE-2026-74441
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report
https://ubuntu.com/security/CVE-2026-74442
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report
https://ubuntu.com/security/CVE-2026-74443
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report
https://ubuntu.com/security/CVE-2026-74444
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report
https://ubuntu.com/security/CVE-2026-74445
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report
https://ubuntu.com/security/CVE-2026-74446
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report
https://ubuntu.com/security/CVE-2026-74447
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report
https://ubuntu.com/security/CVE-2026-74448
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report
https://ubuntu.com/security/CVE-2026-74449
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report
https://ubuntu.com/security/CVE-2026-74450
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report
https://ubuntu.com/security/CVE-2026-74451
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report
https://ubuntu.com/security/CVE-2026-74452
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report
https://ubuntu.com/security/CVE-2026-74453
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report
https://ubuntu.com/security/CVE-2026-74454
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report
https://ubuntu.com/security/CVE-2026-74455
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report
https://ubuntu.com/security/CVE-2026-74456
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report
https://ubuntu.com/security/CVE-2026-74457
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report
https://ubuntu.com/security/CVE-2026-74458
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report
https://ubuntu.com/security/CVE-2026-74459
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report
https://ubuntu.com/security/CVE-2026-74460
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report
https://ubuntu.com/security/CVE-2026-74461
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report
https://ubuntu.com/security/CVE-2026-74462
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report
https://ubuntu.com/security/CVE-2026-74463
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report
https://ubuntu.com/security/CVE-2026-74464
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report
https://ubuntu.com/security/CVE-2026-74465
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report
https://ubuntu.com/security/CVE-2026-74466
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report
https://ubuntu.com/security/CVE-2026-74467
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report
https://ubuntu.com/security/CVE-2026-74468
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report
https://ubuntu.com/security/CVE-2026-74469
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report
https://ubuntu.com/security/CVE-2026-74470
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report
https://ubuntu.com/security/CVE-2026-74471
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report
https://ubuntu.com/security/CVE-2026-74472