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OpenAdvisories
Critical USN-8180-2 80 CVEs

linux-fips, linux-gcp-fips vulnerabilities

Published Apr 17, 2026 · Updated Nov 4, 2026

Summary

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:
- ARM64 architecture;
- Block layer subsystem;
- Drivers core;
- Bluetooth drivers;
- DMA engine subsystem;
- GPU drivers;
- HID subsystem;
- Intel Trace Hub HW tracing drivers;
- IIO ADC drivers;
- IRQ chip drivers;
- Modular ISDN driver;
- LED subsystem;
- UACCE accelerator framework;
- Ethernet bonding driver;
- Network drivers;
- STMicroelectronics network drivers;
- Ethernet team driver;
- NVME drivers;
- PHY drivers;
- SLIMbus drivers;
- W1 Dallas's 1-wire bus driver;
- Xen hypervisor drivers;
- BTRFS file system;
- Ext4 file system;
- Network file system (NFS) client;
- Network file system (NFS) server daemon;
- NTFS3 file system;
- SMB network file system;
- NFC subsystem;
- BPF subsystem;
- IRQ subsystem;
- Memory management;
- Bluetooth subsystem;
- CAN network layer;
- Networking core;
- IPv4 networking;
- IPv6 networking;
- L2TP protocol;
- NET/ROM layer;
- Network traffic control;
- SCTP protocol;
- TLS protocol;
- XFRM subsystem;
- Creative Sound Blaster X-Fi driver;
- USB sound devices;
(CVE-2023-53421, CVE-2023-53520, CVE-2023-53662, CVE-2023-54207,
CVE-2025-38057, CVE-2025-38125, CVE-2025-38232, CVE-2025-38408,
CVE-2025-38591, CVE-2025-40149, CVE-2025-40164, CVE-2025-68211,
CVE-2025-68340, CVE-2025-68365, CVE-2025-68725, CVE-2025-68817,
CVE-2025-71162, CVE-2025-71163, CVE-2025-71185, CVE-2025-71186,
CVE-2025-71188, CVE-2025-71190, CVE-2025-71191, CVE-2025-71194,
CVE-2025-71196, CVE-2025-71197, CVE-2025-71199, CVE-2026-22997,
CVE-2026-22998, CVE-2026-22999, CVE-2026-23001, CVE-2026-23003,
CVE-2026-23011, CVE-2026-23026, CVE-2026-23033, CVE-2026-23037,
CVE-2026-23038, CVE-2026-23049, CVE-2026-23056, CVE-2026-23058,
CVE-2026-23061, CVE-2026-23063, CVE-2026-23064, CVE-2026-23071,
CVE-2026-23073, CVE-2026-23075, CVE-2026-23076, CVE-2026-23078,
CVE-2026-23080, CVE-2026-23083, CVE-2026-23084, CVE-2026-23085,
CVE-2026-23087, CVE-2026-23089, CVE-2026-23090, CVE-2026-23091,
CVE-2026-23093, CVE-2026-23095, CVE-2026-23096, CVE-2026-23097,
CVE-2026-23098, CVE-2026-23099, CVE-2026-23101, CVE-2026-23103,
CVE-2026-23105, CVE-2026-23108, CVE-2026-23119, CVE-2026-23120,
CVE-2026-23121, CVE-2026-23124, CVE-2026-23125, CVE-2026-23128,
CVE-2026-23133, CVE-2026-23145, CVE-2026-23146, CVE-2026-23150,
CVE-2026-23164, CVE-2026-23167, CVE-2026-23170, CVE-2026-23209)

Fixed packages 2

ReleasePackageFixed in
Ubuntu · Pro FIPS-updates 22.04 LTS Pro:FIPS-updates:22.04:LTS linux-fips 5.15.0-176.186+fips1
Ubuntu · Pro FIPS-updates 22.04 LTS Pro:FIPS-updates:22.04:LTS linux-gcp-fips 5.15.0-1105.114+fips1

Vulnerabilities 80

  • Critical 9.8

    ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency Under high concurrency, A tree-connection object (tcon) is freed on a disconnect path while another path still holds a re…

  • High 8.8

    netrom: fix double-free in nr_route_frame()

    In the Linux kernel, the following vulnerability has been resolved: netrom: fix double-free in nr_route_frame() In nr_route_frame(), old_skb is immediately freed without checking if nr_neigh->ax25 pointer is NULL. Therefore, if nr_neigh->ax25 is NULL, the cal…

  • High 8.2

    fs/ntfs3: Initialize allocated memory before use

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Initialize allocated memory before use KMSAN reports: Multiple uninitialized values detected: - KMSAN: uninit-value in ntfs_read_hdr (3) - KMSAN: uninit-value in bcmp (3) Memory is …

  • High 7.8

    Bluetooth: Fix hci_suspend_sync crash

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix hci_suspend_sync crash If hci_unregister_dev() frees the hci_dev object but hci_suspend_notifier may still be accessing it, it can cause the program to crash. Here's the call t…

  • High 7.8

    NFSD: fix race between nfsd registration and exports_proc

    In the Linux kernel, the following vulnerability has been resolved: NFSD: fix race between nfsd registration and exports_proc As of now nfsd calls create_proc_exports_entry() at start of init_nfsd and cleanup by remove_proc_entry() at last of exit_nfsd. Which…

  • High 7.8

    genirq/irq_sim: Initialize work context pointers properly

    In the Linux kernel, the following vulnerability has been resolved: genirq/irq_sim: Initialize work context pointers properly Initialize `ops` member's pointers properly by using kzalloc() instead of kmalloc() when allocating the simulation work context. Othe…

  • High 7.8

    tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock().

    In the Linux kernel, the following vulnerability has been resolved: tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock(). get_netdev_for_sock() is called during setsockopt(), so not under RCU. Using sk_dst_get(sk)->dev could trigger UAF. Let's u…

  • High 7.8

    team: Move team device type change at the end of team_port_add

    In the Linux kernel, the following vulnerability has been resolved: team: Move team device type change at the end of team_port_add Attempting to add a port device that is already up will expectedly fail, but not before modifying the team device header_ops. In…

  • High 7.8

    dmaengine: tegra-adma: Fix use-after-free

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: tegra-adma: Fix use-after-free A use-after-free bug exists in the Tegra ADMA driver when audio streams are terminated, particularly during XRUN conditions. The issue occurs when th…

  • High 7.8

    net/sched: sch_qfq: do not free existing class in qfq_change_class()

    In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_qfq: do not free existing class in qfq_change_class() Fixes qfq_change_class() error case. cl->qdisc and cl should only be freed if a new class and qdisc were allocated, or we …

  • High 7.8
    CVE-2026-23001 Public exploit

    macvlan: fix possible UAF in macvlan_forward_source()

    In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlan_forward_source() Add RCU protection on (struct macvlan_source_entry)->vlan. Whenever macvlan_hash_del_source() is called, we must clear entry->vlan pointe…

  • High 7.8

    ipvlan: Make the addrs_lock be per port

    In the Linux kernel, the following vulnerability has been resolved: ipvlan: Make the addrs_lock be per port Make the addrs_lock be per port, not per ipvlan dev. Initial code seems to be written in the assumption, that any address change must occur under RTNL.…

  • High 7.8

    net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag

    In the Linux kernel, the following vulnerability has been resolved: net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag This is more of a preventive patch to make the code more consistent and to prevent possible exploits th…

  • High 7.8

    macvlan: fix error recovery in macvlan_common_newlink()

    In the Linux kernel, the following vulnerability has been resolved: macvlan: fix error recovery in macvlan_common_newlink() valis provided a nice repro to crash the kernel: ip link add p1 type veth peer p2 ip link set address 00:00:00:00:00:20 dev p1 ip link …

  • High 7.5

    espintcp: fix skb leaks

    In the Linux kernel, the following vulnerability has been resolved: espintcp: fix skb leaks A few error paths are missing a kfree_skb.

  • High 7.5

    net: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the second rts

    In the Linux kernel, the following vulnerability has been resolved: net: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the second rts Since j1939_session_deactivate_activate_next() in j1939_tp_rxtimer() is called only when t…

  • High 7.5

    nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec

    In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec Commit efa56305908b ("nvmet-tcp: Fix a kernel panic when host sends an invalid H2C PDU length") added ttag bounds checking…

  • High 7.5
    CVE-2026-23003 Public exploit

    ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv()

    In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv() Blamed commit did not take care of VLAN encapsulations as spotted by syzbot [1]. Use skb_vlan_inet_prepare() instead of pskb_inet_ma…

  • High 7.5

    gue: Fix skb memleak with inner IP protocol 0.

    In the Linux kernel, the following vulnerability has been resolved: gue: Fix skb memleak with inner IP protocol 0. syzbot reported skb memleak below. [0] The repro generated a GUE packet with its inner protocol 0. gue_udp_recv() returns -guehdr->proto_ctype f…

  • Medium 5.5

    blk-cgroup: Reinit blkg_iostat_set after clearing in blkcg_reset_stats()

    In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Reinit blkg_iostat_set after clearing in blkcg_reset_stats() When blkg_alloc() is called to allocate a blkcg_gq structure with the associated blkg_iostat_set's, there are 2 fields…

  • Unscored —

    ext4: fix memory leaks in ext4_fname_{setup_filename,prepare_lookup}

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leaks in ext4_fname_{setup_filename,prepare_lookup} If the filename casefolding fails, we'll be leaking memory from the fscrypt_name struct, namely from the 'crypto_buf.name'…

  • Unscored —

    HID: uclogic: Correct devm device reference for hidinput input_dev name

    In the Linux kernel, the following vulnerability has been resolved: HID: uclogic: Correct devm device reference for hidinput input_dev name Reference the HID device rather than the input device for the devm allocation of the input_dev name. Referencing the in…

  • Unscored —

    net: stmmac: make sure that ptp_rate is not 0 before configuring EST

    In the Linux kernel, the following vulnerability has been resolved: net: stmmac: make sure that ptp_rate is not 0 before configuring EST If the ptp_rate recorded earlier in the driver happens to be 0, this bogus value will propagate up to EST configuration, w…

  • Unscored —

    bpf: Reject narrower access to pointer ctx fields

    In the Linux kernel, the following vulnerability has been resolved: bpf: Reject narrower access to pointer ctx fields The following BPF program, simplified from a syzkaller repro, causes a kernel warning: r0 = *(u8 *)(r1 + 169); exit; With pointer field sk be…

  • Unscored —

    usbnet: Fix using smp_processor_id() in preemptible code warnings

    In the Linux kernel, the following vulnerability has been resolved: usbnet: Fix using smp_processor_id() in preemptible code warnings Syzbot reported the following warning: BUG: using smp_processor_id() in preemptible [00000000] code: dhcpcd/2879 caller is us…

  • Unscored —

    ksm: use range-walk function to jump over holes in scan_get_next_rmap_item

    In the Linux kernel, the following vulnerability has been resolved: ksm: use range-walk function to jump over holes in scan_get_next_rmap_item Currently, scan_get_next_rmap_item() walks every page address in a VMA to locate mergeable pages. This becomes highl…

  • Unscored —

    bpf: Do not let BPF test infra emit invalid GSO types to stack

    In the Linux kernel, the following vulnerability has been resolved: bpf: Do not let BPF test infra emit invalid GSO types to stack Yinhao et al. reported that their fuzzer tool was able to trigger a skb_warn_bad_offload() from netif_skb_features() -> gso_feat…

  • Unscored —

    dmaengine: idxd: fix device leaks on compat bind and unbind

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix device leaks on compat bind and unbind Make sure to drop the reference taken when looking up the idxd device as part of the compat bind and unbind sysfs interface.

  • Unscored —

    dmaengine: ti: dma-crossbar: fix device leak on am335x route allocation

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: dma-crossbar: fix device leak on am335x route allocation Make sure to drop the reference taken when looking up the crossbar platform device during am335x route allocation.

  • Unscored —

    dmaengine: stm32: dmamux: fix device leak on route allocation

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: stm32: dmamux: fix device leak on route allocation Make sure to drop the reference taken when looking up the DMA mux platform device during route allocation. Note that holding a re…

  • Unscored —

    dmaengine: lpc18xx-dmamux: fix device leak on route allocation

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: lpc18xx-dmamux: fix device leak on route allocation Make sure to drop the reference taken when looking up the DMA mux platform device during route allocation. Note that holding a r…

  • Unscored —

    dmaengine: bcm-sba-raid: fix device leak on probe

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: bcm-sba-raid: fix device leak on probe Make sure to drop the reference taken when looking up the mailbox device during probe on probe failures and on driver unbind.

  • Unscored —

    dmaengine: at_hdmac: fix device leak on of_dma_xlate()

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: at_hdmac: fix device leak on of_dma_xlate() Make sure to drop the reference taken when looking up the DMA platform device during of_dma_xlate() when releasing channel resources. No…

  • Unscored —

    btrfs: fix deadlock in wait_current_trans() due to ignored transaction type

    In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock in wait_current_trans() due to ignored transaction type When wait_current_trans() is called during start_transaction(), it currently waits for a blocked transaction withou…

  • Unscored —

    phy: stm32-usphyc: Fix off by one in probe()

    In the Linux kernel, the following vulnerability has been resolved: phy: stm32-usphyc: Fix off by one in probe() The "index" variable is used as an index into the usbphyc->phys[] array which has usbphyc->nphys elements. So if it is equal to usbphyc->nphys the…

  • Unscored —

    w1: therm: Fix off-by-one buffer overflow in alarms_store

    In the Linux kernel, the following vulnerability has been resolved: w1: therm: Fix off-by-one buffer overflow in alarms_store The sysfs buffer passed to alarms_store() is allocated with 'size + 1' bytes and a NUL terminator is appended. However, the 'size' ar…

  • Unscored —

    iio: adc: at91-sama5d2_adc: Fix potential use-after-free in sama5d2_adc driver

    In the Linux kernel, the following vulnerability has been resolved: iio: adc: at91-sama5d2_adc: Fix potential use-after-free in sama5d2_adc driver at91_adc_interrupt can call at91_adc_touch_data_handler function to start the work by schedule_work(&st->touch_s…

  • Unscored —

    ipv4: ip_gre: make ipgre_header() robust

    In the Linux kernel, the following vulnerability has been resolved: ipv4: ip_gre: make ipgre_header() robust Analog to commit db5b4e39c4e6 ("ip6_gre: make ip6gre_header() robust") Over the years, syzbot found many ways to crash the kernel in ipgre_header() [1…

  • Unscored —

    dmaengine: qcom: gpi: Fix memory leak in gpi_peripheral_config()

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: qcom: gpi: Fix memory leak in gpi_peripheral_config() Fix a memory leak in gpi_peripheral_config() where the original memory pointed to by gchan->config could be lost if krealloc()…

  • Unscored —

    dmaengine: omap-dma: fix dma_pool resource leak in error paths

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: omap-dma: fix dma_pool resource leak in error paths The dma_pool created by dma_pool_create() is not destroyed when dma_async_device_register() or of_dma_controller_register() fail…

  • Unscored —

    can: etas_es58x: allow partial RX URB allocation to succeed

    In the Linux kernel, the following vulnerability has been resolved: can: etas_es58x: allow partial RX URB allocation to succeed When es58x_alloc_rx_urbs() fails to allocate the requested number of URBs but succeeds in allocating some, it returns an error code…

  • Unscored —

    pnfs/flexfiles: Fix memory leak in nfs4_ff_alloc_deviceid_node()

    In the Linux kernel, the following vulnerability has been resolved: pnfs/flexfiles: Fix memory leak in nfs4_ff_alloc_deviceid_node() In nfs4_ff_alloc_deviceid_node(), if the allocation for ds_versions fails, the function jumps to the out_scratch label without…

  • Unscored —

    drm/panel-simple: fix connector type for DataImage SCF0700C48GGU18 panel

    In the Linux kernel, the following vulnerability has been resolved: drm/panel-simple: fix connector type for DataImage SCF0700C48GGU18 panel The connector type for the DataImage SCF0700C48GGU18 panel is missing and devm_drm_panel_bridge_add() requires connect…

  • Unscored —

    uacce: implement mremap in uacce_vm_ops to return -EPERM

    In the Linux kernel, the following vulnerability has been resolved: uacce: implement mremap in uacce_vm_ops to return -EPERM The current uacce_vm_ops does not support the mremap operation of vm_operations_struct. Implement .mremap to return -EPERM to remind u…

  • Unscored —

    can: ems_usb: ems_usb_read_bulk_callback(): fix URB memory leak

    In the Linux kernel, the following vulnerability has been resolved: can: ems_usb: ems_usb_read_bulk_callback(): fix URB memory leak Fix similar memory leak as in commit 7352e1d5932a ("can: gs_usb: gs_usb_receive_bulk_callback(): fix URB memory leak"). In ems_…

  • Unscored —

    can: kvaser_usb: kvaser_usb_read_bulk_callback(): fix URB memory leak

    In the Linux kernel, the following vulnerability has been resolved: can: kvaser_usb: kvaser_usb_read_bulk_callback(): fix URB memory leak Fix similar memory leak as in commit 7352e1d5932a ("can: gs_usb: gs_usb_receive_bulk_callback(): fix URB memory leak"). I…

  • Unscored —

    uacce: ensure safe queue release with state management

    In the Linux kernel, the following vulnerability has been resolved: uacce: ensure safe queue release with state management Directly calling `put_queue` carries risks since it cannot guarantee that resources of `uacce_queue` have been fully released beforehand…

  • Unscored —

    net/sched: act_ife: avoid possible NULL deref

    In the Linux kernel, the following vulnerability has been resolved: net/sched: act_ife: avoid possible NULL deref tcf_ife_encode() must make sure ife_encode() does not return NULL. syzbot reported: Oops: general protection fault, probably for non-canonical ad…

  • Unscored —

    regmap: Fix race condition in hwspinlock irqsave routine

    In the Linux kernel, the following vulnerability has been resolved: regmap: Fix race condition in hwspinlock irqsave routine Previously, the address of the shared member '&map->spinlock_flags' was passed directly to 'hwspin_lock_timeout_irqsave'. This creates…

  • Unscored —

    wifi: rsi: Fix memory corruption due to not set vif driver data size

    In the Linux kernel, the following vulnerability has been resolved: wifi: rsi: Fix memory corruption due to not set vif driver data size The struct ieee80211_vif contains trailing space for vif driver data, when struct ieee80211_vif is allocated, the total me…

  • Unscored —

    can: esd_usb: esd_usb_read_bulk_callback(): fix URB memory leak

    In the Linux kernel, the following vulnerability has been resolved: can: esd_usb: esd_usb_read_bulk_callback(): fix URB memory leak Fix similar memory leak as in commit 7352e1d5932a ("can: gs_usb: gs_usb_receive_bulk_callback(): fix URB memory leak"). In esd_…

  • Unscored —

    ALSA: ctxfi: Fix potential OOB access in audio mixer handling

    In the Linux kernel, the following vulnerability has been resolved: ALSA: ctxfi: Fix potential OOB access in audio mixer handling In the audio mixer handling code of ctxfi driver, the conf field is used as a kind of loop index, and it's referred in the index …

  • Unscored —

    ALSA: scarlett2: Fix buffer overflow in config retrieval

    In the Linux kernel, the following vulnerability has been resolved: ALSA: scarlett2: Fix buffer overflow in config retrieval The scarlett2_usb_get_config() function has a logic error in the endianness conversion code that can cause buffer overflows when count…

  • Unscored —

    can: mcba_usb: mcba_usb_read_bulk_callback(): fix URB memory leak

    In the Linux kernel, the following vulnerability has been resolved: can: mcba_usb: mcba_usb_read_bulk_callback(): fix URB memory leak Fix similar memory leak as in commit 7352e1d5932a ("can: gs_usb: gs_usb_receive_bulk_callback(): fix URB memory leak"). In mc…

  • Unscored —

    fou: Don't allow 0 for FOU_ATTR_IPPROTO.

    In the Linux kernel, the following vulnerability has been resolved: fou: Don't allow 0 for FOU_ATTR_IPPROTO. fou_udp_recv() has the same problem mentioned in the previous patch. If FOU_ATTR_IPPROTO is set to 0, skb is not freed by fou_udp_recv() nor "resubmit…

  • Unscored —

    be2net: Fix NULL pointer dereference in be_cmd_get_mac_from_list

    In the Linux kernel, the following vulnerability has been resolved: be2net: Fix NULL pointer dereference in be_cmd_get_mac_from_list When the parameter pmac_id_valid argument of be_cmd_get_mac_from_list() is set to false, the driver may request the PMAC_ID fr…

  • Unscored —

    irqchip/gic-v3-its: Avoid truncating memory addresses

    In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Avoid truncating memory addresses On 32-bit machines with CONFIG_ARM_LPAE, it is possible for lowmem allocations to be backed by addresses physical memory above the 32-bit…

  • Unscored —

    scsi: xen: scsiback: Fix potential memory leak in scsiback_remove()

    In the Linux kernel, the following vulnerability has been resolved: scsi: xen: scsiback: Fix potential memory leak in scsiback_remove() Memory allocated for struct vscsiblk_info in scsiback_probe() is not freed in scsiback_remove() leading to potential memory…

  • Unscored —

    ALSA: usb-audio: Fix use-after-free in snd_usb_mixer_free()

    In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix use-after-free in snd_usb_mixer_free() When snd_usb_create_mixer() fails, snd_usb_mixer_free() frees mixer->id_elems but the controls already added to the card still refe…

  • Unscored —

    slimbus: core: fix device reference leak on report present

    In the Linux kernel, the following vulnerability has been resolved: slimbus: core: fix device reference leak on report present Slimbus devices can be allocated dynamically upon reception of report-present messages. Make sure to drop the reference taken when l…

  • Unscored —

    intel_th: fix device leak on output open()

    In the Linux kernel, the following vulnerability has been resolved: intel_th: fix device leak on output open() Make sure to drop the reference taken when looking up the th device during output device open() on errors and on close(). Note that a recent commit …

  • Unscored —

    ksmbd: smbd: fix dma_unmap_sg() nents

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbd: fix dma_unmap_sg() nents The dma_unmap_sg() functions should be called with the same nents as the dma_map_sg(), not the value the map function returned.

  • Unscored —

    uacce: fix cdev handling in the cleanup path

    In the Linux kernel, the following vulnerability has been resolved: uacce: fix cdev handling in the cleanup path When cdev_device_add fails, it internally releases the cdev memory, and if cdev_device_del is then executed, it will cause a hang error. To fix it…

  • Unscored —

    migrate: correct lock ordering for hugetlb file folios

    In the Linux kernel, the following vulnerability has been resolved: migrate: correct lock ordering for hugetlb file folios Syzbot has found a deadlock (analyzed by Lance Yang): 1) Task (5749): Holds folio_lock, then tries to acquire i_mmap_rwsem(read lock). 2…

  • Unscored —

    bonding: limit BOND_MODE_8023AD to Ethernet devices

    In the Linux kernel, the following vulnerability has been resolved: bonding: limit BOND_MODE_8023AD to Ethernet devices BOND_MODE_8023AD makes sense for ARPHRD_ETHER only. syzbot reported: BUG: KASAN: global-out-of-bounds in __hw_addr_create net/core/dev_addr…

  • Unscored —

    leds: led-class: Only Add LED to leds_list when it is fully ready

    In the Linux kernel, the following vulnerability has been resolved: leds: led-class: Only Add LED to leds_list when it is fully ready Before this change the LED was added to leds_list before led_init_core() gets called adding it the list before led_classdev.s…

  • Unscored —

    can: usb_8dev: usb_8dev_read_bulk_callback(): fix URB memory leak

    In the Linux kernel, the following vulnerability has been resolved: can: usb_8dev: usb_8dev_read_bulk_callback(): fix URB memory leak Fix similar memory leak as in commit 7352e1d5932a ("can: gs_usb: gs_usb_receive_bulk_callback(): fix URB memory leak"). In us…

  • Unscored —

    bonding: provide a net pointer to __skb_flow_dissect()

    In the Linux kernel, the following vulnerability has been resolved: bonding: provide a net pointer to __skb_flow_dissect() After 3cbf4ffba5ee ("net: plumb network namespace into __skb_flow_dissect") we have to provide a net pointer to __skb_flow_dissect(), ei…

  • Unscored —

    l2tp: avoid one data-race in l2tp_tunnel_del_work()

    In the Linux kernel, the following vulnerability has been resolved: l2tp: avoid one data-race in l2tp_tunnel_del_work() We should read sk->sk_socket only when dealing with kernel sockets. syzbot reported the following data-race: BUG: KCSAN: data-race in l2tp_…

  • Unscored —

    mISDN: annotate data-race around dev->work

    In the Linux kernel, the following vulnerability has been resolved: mISDN: annotate data-race around dev->work dev->work can re read locklessly in mISDN_read() and mISDN_poll(). Add READ_ONCE()/WRITE_ONCE() annotations. BUG: KCSAN: data-race in mISDN_ioctl / …

  • Unscored —

    ipv6: annotate data-race in ndisc_router_discovery()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: annotate data-race in ndisc_router_discovery() syzbot found that ndisc_router_discovery() could read and write in6_dev->ra_mtu without holding a lock [1] This looks fine, IFLA_INET6_RA_…

  • Unscored —

    sctp: move SCTP_CMD_ASSOC_SHKEY right after SCTP_CMD_PEER_INIT

    In the Linux kernel, the following vulnerability has been resolved: sctp: move SCTP_CMD_ASSOC_SHKEY right after SCTP_CMD_PEER_INIT A null-ptr-deref was reported in the SCTP transmit path when SCTP-AUTH key initialization fails: ===============================…

  • Unscored —

    arm64: Set __nocfi on swsusp_arch_resume()

    In the Linux kernel, the following vulnerability has been resolved: arm64: Set __nocfi on swsusp_arch_resume() A DABT is reported[1] on an android based system when resume from hiberate. This happens because swsusp_arch_suspend_exit() is marked with SYM_CODE_…

  • Unscored —

    wifi: ath10k: fix dma_free_coherent() pointer

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath10k: fix dma_free_coherent() pointer dma_alloc_coherent() allocates a DMA mapped buffer and stores the addresses in XXX_unaligned fields. Those should be reused when freeing the buff…

  • Unscored —

    ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref The error branch for ext4_xattr_inode_update_ref forget to release the refcount for iloc.bh. Find this when review code.

  • Unscored —

    Bluetooth: hci_uart: fix null-ptr-deref in hci_uart_write_work

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_uart: fix null-ptr-deref in hci_uart_write_work hci_uart_set_proto() sets HCI_UART_PROTO_INIT before calling hci_uart_register_dev(), which calls proto->open() to initialize hu…

  • Unscored —

    nfc: llcp: Fix memleak in nfc_llcp_send_ui_frame().

    In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: Fix memleak in nfc_llcp_send_ui_frame(). syzbot reported various memory leaks related to NFC, struct nfc_llcp_sock, sk_buff, nfc_dev, etc. [0] The leading log hinted that nfc_llcp_…

  • Unscored —

    rocker: fix memory leak in rocker_world_port_post_fini()

    In the Linux kernel, the following vulnerability has been resolved: rocker: fix memory leak in rocker_world_port_post_fini() In rocker_world_port_pre_init(), rocker_port->wpriv is allocated with kzalloc(wops->port_priv_size, GFP_KERNEL). However, in rocker_wo…

  • Unscored —

    nfc: nci: Fix race between rfkill and nci_unregister_device().

    In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fix race between rfkill and nci_unregister_device(). syzbot reported the splat below [0] without a repro. It indicates that struct nci_dev.cmd_wq had been destroyed before nci_close…

  • Unscored —

    drm/imx/tve: fix probe device leak

    In the Linux kernel, the following vulnerability has been resolved: drm/imx/tve: fix probe device leak Make sure to drop the reference taken to the DDC device during probe on probe failure (e.g. probe deferral) and on driver unbind.

References

  • report
    https://ubuntu.com/security/CVE-2023-53421
  • report
    https://ubuntu.com/security/CVE-2023-53520
  • report
    https://ubuntu.com/security/CVE-2023-53662
  • report
    https://ubuntu.com/security/CVE-2023-54207
  • report
    https://ubuntu.com/security/CVE-2025-38057
  • report
    https://ubuntu.com/security/CVE-2025-38125
  • report
    https://ubuntu.com/security/CVE-2025-38232
  • report
    https://ubuntu.com/security/CVE-2025-38408
  • report
    https://ubuntu.com/security/CVE-2025-38591
  • report
    https://ubuntu.com/security/CVE-2025-40149
  • report
    https://ubuntu.com/security/CVE-2025-40164
  • report
    https://ubuntu.com/security/CVE-2025-68211
  • report
    https://ubuntu.com/security/CVE-2025-68340
  • report
    https://ubuntu.com/security/CVE-2025-68365
  • report
    https://ubuntu.com/security/CVE-2025-68725
  • report
    https://ubuntu.com/security/CVE-2025-68817
  • report
    https://ubuntu.com/security/CVE-2025-71162
  • report
    https://ubuntu.com/security/CVE-2025-71163
  • report
    https://ubuntu.com/security/CVE-2025-71185
  • report
    https://ubuntu.com/security/CVE-2025-71186
  • report
    https://ubuntu.com/security/CVE-2025-71188
  • report
    https://ubuntu.com/security/CVE-2025-71190
  • report
    https://ubuntu.com/security/CVE-2025-71191
  • report
    https://ubuntu.com/security/CVE-2025-71194
  • report
    https://ubuntu.com/security/CVE-2025-71196
  • report
    https://ubuntu.com/security/CVE-2025-71197
  • report
    https://ubuntu.com/security/CVE-2025-71199
  • report
    https://ubuntu.com/security/CVE-2026-22997
  • report
    https://ubuntu.com/security/CVE-2026-22998
  • report
    https://ubuntu.com/security/CVE-2026-22999
  • report
    https://ubuntu.com/security/CVE-2026-23001
  • report
    https://ubuntu.com/security/CVE-2026-23003
  • report
    https://ubuntu.com/security/CVE-2026-23011
  • report
    https://ubuntu.com/security/CVE-2026-23026
  • report
    https://ubuntu.com/security/CVE-2026-23033
  • report
    https://ubuntu.com/security/CVE-2026-23037
  • report
    https://ubuntu.com/security/CVE-2026-23038
  • report
    https://ubuntu.com/security/CVE-2026-23049
  • report
    https://ubuntu.com/security/CVE-2026-23056