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;
- S390 architecture;
- Block layer subsystem;
- Cryptographic API;
- DMA engine subsystem;
- GPU drivers;
- InfiniBand drivers;
- Ethernet bonding driver;
- STMicroelectronics network drivers;
- Network drivers;
- NVME drivers;
- SCSI subsystem;
- USB over IP driver;
- File systems infrastructure;
- Ext4 file system;
- Network file system (NFS) server daemon;
- SMB network file system;
- Kernel thread helper (kthread);
- Distributed Switch Architecture;
- IPv6 networking;
- Netfilter;
- Tracing infrastructure;
- Control group (cgroup);
- Kernel exit() syscall;
- Scatterlist API;
- Memory management;
- B.A.T.M.A.N. meshing protocol;
- Ethernet bridge;
- Ceph Core library;
- IPv4 networking;
- MAC80211 subsystem;
- Multipath TCP;
- Packet sockets;
- RxRPC session sockets;
- SMC sockets;
- TLS protocol;
- Unix domain sockets;
- X.25 network layer;
- AppArmor security module;
(CVE-2025-71088, CVE-2025-71090, CVE-2025-71127, CVE-2025-71134,
CVE-2025-71141, CVE-2025-71142, CVE-2025-71144, CVE-2025-71152,
CVE-2025-71155, CVE-2026-22984, CVE-2026-23112, CVE-2026-23231,
CVE-2026-23272, CVE-2026-23273, CVE-2026-23274, CVE-2026-23278,
CVE-2026-23351, CVE-2026-23392, CVE-2026-23394, CVE-2026-23427,
CVE-2026-23428, CVE-2026-23450, CVE-2026-23455, CVE-2026-31402,
CVE-2026-31418, CVE-2026-31419, CVE-2026-31436, CVE-2026-31448,
CVE-2026-31478, CVE-2026-31504, CVE-2026-31533, CVE-2026-31607,
CVE-2026-31635, CVE-2026-31637, CVE-2026-31649, CVE-2026-31657,
CVE-2026-31659, CVE-2026-31668, CVE-2026-31669, CVE-2026-31682,
CVE-2026-31685, CVE-2026-31718, CVE-2026-43011, CVE-2026-43033,
CVE-2026-43037, CVE-2026-43038, CVE-2026-43071, CVE-2026-43077,
CVE-2026-43078, CVE-2026-43083, CVE-2026-43114, CVE-2026-43117,
CVE-2026-43125, CVE-2026-43186, CVE-2026-43197, CVE-2026-43304,
CVE-2026-43341, CVE-2026-43376, CVE-2026-43378, CVE-2026-43383,
CVE-2026-43384, CVE-2026-43402, CVE-2026-43406, CVE-2026-43407,
CVE-2026-43414, CVE-2026-43493, CVE-2026-43501, CVE-2026-45898,
CVE-2026-45966, CVE-2026-45988, CVE-2026-46028, CVE-2026-46039,
CVE-2026-46043, CVE-2026-46115, CVE-2026-46119, CVE-2026-46135,
CVE-2026-46185, CVE-2026-46195, CVE-2026-46243, CVE-2026-46244,
CVE-2026-46266, CVE-2026-46289, CVE-2026-46316, CVE-2026-46325)
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 24.04 LTS 24.04:LTS | linux-nvidia-6.17 | 6.17.0-1026.26 |
Vulnerabilities 84
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Critical 9.8
libceph: prevent potential out-of-bounds reads in handle_auth_done()
In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds reads in handle_auth_done() Perform an explicit bounds check on payload_len to avoid a possible out-of-bounds access in the callout. [ idryomov: chang…
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Critical 9.8
nvmet-tcp: add bounds checks in nvmet_tcp_build_pdu_iovec
In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: add bounds checks in nvmet_tcp_build_pdu_iovec nvmet_tcp_build_pdu_iovec() could walk past cmd->req.sg when a PDU length or offset exceeds sg_cnt and then use bogus sg->length/offs…
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Critical 9.8
ksmbd: fix use-after-free in durable v2 replay of active file handles
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in durable v2 replay of active file handles parse_durable_handle_context() unconditionally assigns dh_info->fp->conn to the current connection when handling a DURABL…
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Critical 9.8
ksmbd: fix use-after-free of share_conf in compound request
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of share_conf in compound request smb2_get_ksmbd_tcon() reuses work->tcon in compound requests without validating tcon->t_state. ksmbd_tree_conn_lookup() checks t_st…
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Critical 9.8
net/smc: fix NULL dereference and UAF in smc_tcp_syn_recv_sock()
In the Linux kernel, the following vulnerability has been resolved: net/smc: fix NULL dereference and UAF in smc_tcp_syn_recv_sock() Syzkaller reported a panic in smc_tcp_syn_recv_sock() [1]. smc_tcp_syn_recv_sock() is called in the TCP receive path (softirq)…
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Critical 9.8CVE-2026-31402 Public exploit
nfsd: fix heap overflow in NFSv4.0 LOCK replay cache
In the Linux kernel, the following vulnerability has been resolved: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache The NFSv4.0 replay cache uses a fixed 112-byte inline buffer (rp_ibuf[NFSD4_REPLAY_ISIZE]) to store encoded operation responses. This size…
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Critical 9.8
dmaengine: idxd: fix possible wrong descriptor completion in llist_abort_desc()
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor completion in llist_abort_desc() At the end of this function, d is the traversal cursor of flist, but the code completes found instead. This can…
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Critical 9.8
ksmbd: replace hardcoded hdr2_len with offsetof() in smb2_calc_max_out_buf_len()
In the Linux kernel, the following vulnerability has been resolved: ksmbd: replace hardcoded hdr2_len with offsetof() in smb2_calc_max_out_buf_len() After this commit (e2b76ab8b5c9 "ksmbd: add support for read compound"), response buffer management was change…
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Critical 9.8
net/tls: fix use-after-free in -EBUSY error path of tls_do_encryption
In the Linux kernel, the following vulnerability has been resolved: net/tls: fix use-after-free in -EBUSY error path of tls_do_encryption The -EBUSY handling in tls_do_encryption(), introduced by commit 859054147318 ("net: tls: handle backlogging of crypto re…
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Critical 9.8
usbip: validate number_of_packets in usbip_pack_ret_submit()
In the Linux kernel, the following vulnerability has been resolved: usbip: validate number_of_packets in usbip_pack_ret_submit() When a USB/IP client receives a RET_SUBMIT response, usbip_pack_ret_submit() unconditionally overwrites urb->number_of_packets fro…
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Critical 9.8
rxrpc: reject undecryptable rxkad response tickets
In the Linux kernel, the following vulnerability has been resolved: rxrpc: reject undecryptable rxkad response tickets rxkad_decrypt_ticket() decrypts the RXKAD response ticket and then parses the buffer as plaintext without checking whether crypto_skcipher_d…
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Critical 9.8
net: stmmac: fix integer underflow in chain mode
In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix integer underflow in chain mode The jumbo_frm() chain-mode implementation unconditionally computes len = nopaged_len - bmax; where nopaged_len = skb_headlen(skb) (linear byte…
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Critical 9.8
batman-adv: hold claim backbone gateways by reference
In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by reference batadv_bla_add_claim() can replace claim->backbone_gw and drop the old gateway's last reference while readers still follow the pointer. T…
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Critical 9.8
batman-adv: reject oversized global TT response buffers
In the Linux kernel, the following vulnerability has been resolved: batman-adv: reject oversized global TT response buffers batadv_tt_prepare_tvlv_global_data() builds the allocation length for a global TT response in 16-bit temporaries. When a remote origina…
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Critical 9.8
seg6: separate dst_cache for input and output paths in seg6 lwtunnel
In the Linux kernel, the following vulnerability has been resolved: seg6: separate dst_cache for input and output paths in seg6 lwtunnel The seg6 lwtunnel uses a single dst_cache per encap route, shared between seg6_input_core() and seg6_output_core(). These …
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Critical 9.8
mptcp: fix slab-use-after-free in __inet_lookup_established
In the Linux kernel, the following vulnerability has been resolved: mptcp: fix slab-use-after-free in __inet_lookup_established The ehash table lookups are lockless and rely on SLAB_TYPESAFE_BY_RCU to guarantee socket memory stability during RCU read-side cri…
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Critical 9.8
ksmbd: fix use-after-free in __ksmbd_close_fd() via durable scavenger
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in __ksmbd_close_fd() via durable scavenger When a durable file handle survives session disconnect (TCP close without SMB2_LOGOFF), session_fd_check() sets fp->conn …
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Critical 9.8
net/x25: Fix potential double free of skb
In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix potential double free of skb When alloc_skb fails in x25_queue_rx_frame it calls kfree_skb(skb) at line 48 and returns 1 (error). This error propagates back through the call chai…
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Critical 9.8
ip6_tunnel: clear skb2->cb[] in ip4ip6_err()
In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() Oskar Kjos reported the following problem. ip4ip6_err() calls icmp_send() on a cloned skb whose cb[] was written by the IPv6 receive path as struc…
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Critical 9.8
ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach()
In the Linux kernel, the following vulnerability has been resolved: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() Sashiko AI-review observed: In ip6_err_gen_icmpv6_unreach(), the skb is an outer IPv4 ICMP error packet where its cb contains an I…
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Critical 9.8
dlm: validate length in dlm_search_rsb_tree
In the Linux kernel, the following vulnerability has been resolved: dlm: validate length in dlm_search_rsb_tree The len parameter in dlm_dump_rsb_name() is not validated and comes from network messages. When it exceeds DLM_RESNAME_MAXLEN, it can cause out-of-…
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Critical 9.8
ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data()
In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data() On the receive path, __ioam6_fill_trace_data() uses trace->nodelen to decide how much data to write for each node. It trusts …
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Critical 9.8
libceph: define and enforce CEPH_MAX_KEY_LEN
In the Linux kernel, the following vulnerability has been resolved: libceph: define and enforce CEPH_MAX_KEY_LEN When decoding the key, verify that the key material would fit into a fixed-size buffer in process_auth_done() and generally has a sane length. The…
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Critical 9.8
net/ipv6: ioam6: prevent schema length wraparound in trace fill
In the Linux kernel, the following vulnerability has been resolved: net/ipv6: ioam6: prevent schema length wraparound in trace fill ioam6_fill_trace_data() stores the schema contribution to the trace length in a u8. With bit 22 enabled and the largest schema …
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Critical 9.8
ksmbd: fix use-after-free by using call_rcu() for oplock_info
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free by using call_rcu() for oplock_info ksmbd currently frees oplock_info immediately using kfree(), even though it is accessed under RCU read-side critical sections in …
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Critical 9.8
smb: server: fix use-after-free in smb2_open()
In the Linux kernel, the following vulnerability has been resolved: smb: server: fix use-after-free in smb2_open() The opinfo pointer obtained via rcu_dereference(fp->f_opinfo) is dereferenced after rcu_read_unlock(), creating a use-after-free window.
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Critical 9.8
net/tcp-ao: Fix MAC comparison to be constant-time
In the Linux kernel, the following vulnerability has been resolved: net/tcp-ao: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this.
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Critical 9.8
kthread: consolidate kthread exit paths to prevent use-after-free
In the Linux kernel, the following vulnerability has been resolved: kthread: consolidate kthread exit paths to prevent use-after-free Guillaume reported crashes via corrupted RCU callback function pointers during KUnit testing. The crash was traced back to th…
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Critical 9.8
scsi: qla2xxx: Completely fix fcport double free
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Completely fix fcport double free In qla24xx_els_dcmd_iocb() sp->free is set to qla2x00_els_dcmd_sp_free(). When an error happens, this function is called by qla2x00_sp_release…
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Critical 9.8
crypto: pcrypt - Fix handling of MAY_BACKLOG requests
In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - Fix handling of MAY_BACKLOG requests MAY_BACKLOG requests can return EBUSY. Handle them by checking for that value and filtering out EINPROGRESS notifications.
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Critical 9.8CVE-2026-43501 Public exploit
ipv6: rpl: reserve mac_len headroom when recompressed SRH grows
In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows ipv6_rpl_srh_rcv() decompresses an RFC 6554 Source Routing Header, swaps the next segment into ipv6_hdr->daddr, recompresses, t…
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Critical 9.8
RDMA/iwcm: Fix workqueue list corruption by removing work_list
In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fix workqueue list corruption by removing work_list The commit e1168f0 ("RDMA/iwcm: Simplify cm_event_handler()") changed the work submission logic to unconditionally call queue_wo…
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Critical 9.8
rxrpc: Fix re-decryption of RESPONSE packets
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix re-decryption of RESPONSE packets If a RESPONSE packet gets a temporary failure during processing, it may end up in a partially decrypted state - and then get requeued for a retry.…
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Critical 9.8
rxgk: Fix potential integer overflow in length check
In the Linux kernel, the following vulnerability has been resolved: rxgk: Fix potential integer overflow in length check Fix potential integer overflow in rxgk_extract_token() when checking the length of the ticket. Rather than rounding up the value to be tes…
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Critical 9.8
block: add pgmap check to biovec_phys_mergeable
In the Linux kernel, the following vulnerability has been resolved: block: add pgmap check to biovec_phys_mergeable biovec_phys_mergeable() is used by the request merge, DMA mapping, and integrity merge paths to decide if two physically contiguous bvec segmen…
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Critical 9.8
nvmet-tcp: fix race between ICReq handling and queue teardown
In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: fix race between ICReq handling and queue teardown nvmet_tcp_handle_icreq() updates queue->state after sending an Initialization Connection Response (ICResp), but it does so withou…
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Critical 9.8
smb: client: validate dacloffset before building DACL pointers
In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building DACL pointers parse_sec_desc(), build_sec_desc(), and the chown path in id_mode_to_cifs_acl() all add the server-supplied dacloffset to pntsd …
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Critical 9.8
lib/scatterlist: fix length calculations in extract_kvec_to_sg
In the Linux kernel, the following vulnerability has been resolved: lib/scatterlist: fix length calculations in extract_kvec_to_sg Patch series "Fix bugs in extract_iter_to_sg()", v3. Fix bugs in the kvec and user variants of extract_iter_to_sg. This series i…
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Critical 9.8
RDMA/rxe: Fix iova-to-va conversion for MR page sizes != PAGE_SIZE
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix iova-to-va conversion for MR page sizes != PAGE_SIZE The current implementation incorrectly handles memory regions (MRs) with page sizes different from the system PAGE_SIZE. The…
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Critical 9.4
ext4: avoid infinite loops caused by residual data
In the Linux kernel, the following vulnerability has been resolved: ext4: avoid infinite loops caused by residual data On the mkdir/mknod path, when mapping logical blocks to physical blocks, if inserting a new extent into the extent tree fails (in this examp…
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Critical 9.4
netfilter: ip6t_eui64: reject invalid MAC header for all packets
In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6t_eui64: reject invalid MAC header for all packets `eui64_mt6()` derives a modified EUI-64 from the Ethernet source address and compares it with the low 64 bits of the IPv6 sour…
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Critical 9.4
netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry New test case fails unexpectedly when avx2 matching functions are used. The test first loads a ranomly generated pipa…
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Critical 9.4
net/tcp-md5: Fix MAC comparison to be constant-time
In the Linux kernel, the following vulnerability has been resolved: net/tcp-md5: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this.
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Critical 9.3CVE-2026-46316 Public exploit
KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry vgic_its_invalidate_cache() walks the per-ITS translation cache with xa_for_each() and drops the cache's r…
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Critical 9.1
netfilter: nf_conntrack_h323: check for zero length in DecodeQ931()
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931() In DecodeQ931(), the UserUserIE code path reads a 16-bit length from the packet, then decrements it by 1 to skip the protoc…
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Critical 9.1
bridge: br_nd_send: linearize skb before parsing ND options
In the Linux kernel, the following vulnerability has been resolved: bridge: br_nd_send: linearize skb before parsing ND options br_nd_send() parses neighbour discovery options from ns->opt[] and assumes that these options are in the linear part of request. It…
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Critical 9.1
dcache: Limit the minimal number of bucket to two
In the Linux kernel, the following vulnerability has been resolved: dcache: Limit the minimal number of bucket to two There is an OOB read problem on dentry_hashtable when user sets 'dhash_entries=1': BUG: unable to handle page fault for address: ffff888b30b7…
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Critical 9.1
net: ioam6: fix OOB and missing lock
In the Linux kernel, the following vulnerability has been resolved: net: ioam6: fix OOB and missing lock When trace->type.bit6 is set: if (trace->type.bit6) { ... queue = skb_get_tx_queue(dev, skb); qdisc = rcu_dereference(queue->qdisc); This code can lead to…
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Critical 9.1
btrfs: tracepoints: get correct superblock from dentry in event btrfs_sync_file()
In the Linux kernel, the following vulnerability has been resolved: btrfs: tracepoints: get correct superblock from dentry in event btrfs_sync_file() If overlay is used on top of btrfs, dentry->d_sb translates to overlay's super block and fsid assignment will…
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Critical 9.1
netconsole: avoid OOB reads, msg is not nul-terminated
In the Linux kernel, the following vulnerability has been resolved: netconsole: avoid OOB reads, msg is not nul-terminated msg passed to netconsole from the console subsystem is not guaranteed to be nul-terminated. Before recent commit 7eab73b18630 ("netconso…
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Critical 9.1
libceph: prevent potential out-of-bounds reads in process_message_header()
In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds reads in process_message_header() If the message frame is (maliciously) corrupted in a way that the length of the control segment ends up being less t…
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Critical 9.1
libceph: Fix potential out-of-bounds access in ceph_handle_auth_reply()
In the Linux kernel, the following vulnerability has been resolved: libceph: Fix potential out-of-bounds access in ceph_handle_auth_reply() This patch fixes an out-of-bounds access in ceph_handle_auth_reply() that can be triggered by a message of type CEPH_MS…
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Critical 9.1
RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv rxe_rcv() currently checks only that the incoming packet is at least header_size(pkt) bytes long before payload_size() is used…
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Critical 9.1
libceph: Fix slab-out-of-bounds access in auth message processing
In the Linux kernel, the following vulnerability has been resolved: libceph: Fix slab-out-of-bounds access in auth message processing If a (potentially corrupted) message of type CEPH_MSG_AUTH_REPLY contains a positive value in its result field, it is treated…
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Critical 9.1
smb/client: fix out-of-bounds read in symlink_data()
In the Linux kernel, the following vulnerability has been resolved: smb/client: fix out-of-bounds read in symlink_data() Since smb2_check_message() returns success without length validation for the symlink error response, in symlink_data() it is possible for …
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Critical 9.1
netfilter: nft_inner: Fix IPv6 inner_thoff desync
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_inner: Fix IPv6 inner_thoff desync In nft_inner_parse_l2l3(), when processing inner IPv6 packets, ipv6_find_hdr() correctly computes the transport header offset traversing all …
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Critical 9.1
inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP
In the Linux kernel, the following vulnerability has been resolved: inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP Yizhou Zhao reported that simply having one RAW socket on protocol IPPROTO_RAW (255) was dangerous. socket(AF_INET, SOCK_RAW, 255);…
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High 7.8
KVM: s390: Fix gmap_helper_zap_one_page() again
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix gmap_helper_zap_one_page() again A few checks were missing in gmap_helper_zap_one_page(), which can lead to memory corruption in the guest under specific circumstances. Add the…
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High 7.8CVE-2026-23231 Public exploit
netfilter: nf_tables: fix use-after-free in nf_tables_addchain()
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix use-after-free in nf_tables_addchain() nf_tables_addchain() publishes the chain to table->chains via list_add_tail_rcu() (in nft_chain_add()) before registering hook…
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High 7.8
netfilter: nf_tables: unconditionally bump set->nelems before insertion
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: unconditionally bump set->nelems before insertion In case that the set is full, a new element gets published then removed without waiting for the RCU grace period, while…
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High 7.8
macvlan: observe an RCU grace period in macvlan_common_newlink() error path
In the Linux kernel, the following vulnerability has been resolved: macvlan: observe an RCU grace period in macvlan_common_newlink() error path valis reported that a race condition still happens after my prior patch. macvlan_common_newlink() might have made @…
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High 7.8
netfilter: xt_IDLETIMER: reject rev0 reuse of ALARM timer labels
In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_IDLETIMER: reject rev0 reuse of ALARM timer labels IDLETIMER revision 0 rules reuse existing timers by label and always call mod_timer() on timer->timer. If the label was create…
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High 7.8
netfilter: nf_tables: always walk all pending catchall elements
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: always walk all pending catchall elements During transaction processing we might have more than one catchall element: 1 live catchall element and 1 pending element that …
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High 7.8
netfilter: nft_set_pipapo: split gc into unlink and reclaim phase
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: split gc into unlink and reclaim phase Yiming Qian reports Use-after-free in the pipapo set type: Under a large number of expired elements, commit-time GC can run f…
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High 7.8
netfilter: nf_tables: release flowtable after rcu grace period on error
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: release flowtable after rcu grace period on error Call synchronize_rcu() after unregistering the hooks from error path, since a hook that already refers to this flowtabl…
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High 7.8
net: bonding: fix use-after-free in bond_xmit_broadcast()
In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix use-after-free in bond_xmit_broadcast() bond_xmit_broadcast() reuses the original skb for the last slave (determined by bond_is_last_slave()) and clones it for others. Concu…
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High 7.8
net: fix fanout UAF in packet_release() via NETDEV_UP race
In the Linux kernel, the following vulnerability has been resolved: net: fix fanout UAF in packet_release() via NETDEV_UP race `packet_release()` has a race window where `NETDEV_UP` can re-register a socket into a fanout group's `arr[]` array. The re-registra…
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High 7.8
crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption
In the Linux kernel, the following vulnerability has been resolved: crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption When decrypting data that is not in-place (src != dst), there is no need to save the high-order sequence bits…
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High 7.8
crypto: af_alg - Fix page reassignment overflow in af_alg_pull_tsgl
In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Fix page reassignment overflow in af_alg_pull_tsgl When page reassignment was added to af_alg_pull_tsgl the original loop wasn't updated so it may try to reassign one more pa…
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High 7.5
nfsd: fix nfsd_file reference leak in nfsd4_add_rdaccess_to_wrdeleg()
In the Linux kernel, the following vulnerability has been resolved: nfsd: fix nfsd_file reference leak in nfsd4_add_rdaccess_to_wrdeleg() nfsd4_add_rdaccess_to_wrdeleg() unconditionally overwrites fp->fi_fds[O_RDONLY] with a newly acquired nfsd_file. However,…
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High 7.5CVE-2026-31635 Public exploit
rxrpc: fix oversized RESPONSE authenticator length check
In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix oversized RESPONSE authenticator length check rxgk_verify_response() decodes auth_len from the packet and is supposed to verify that it fits in the remaining bytes. The existing ch…
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High 7.1
wifi: mac80211: Discard Beacon frames to non-broadcast address
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Discard Beacon frames to non-broadcast address Beacon frames are required to be sent to the broadcast address, see IEEE Std 802.11-2020, 11.1.3.1 ("The Address 1 field of the …
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High 7.1CVE-2026-46243 Public exploit
smb: client: reject userspace cifs.spnego descriptions
In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions cifs.spnego key descriptions contain authority-bearing fields such as pid, uid, creduid, and upcall_target that cifs.upcall treats as ke…
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Unscored —
mptcp: fallback earlier on simult connection
In the Linux kernel, the following vulnerability has been resolved: mptcp: fallback earlier on simult connection Syzkaller reports a simult-connect race leading to inconsistent fallback status: WARNING: CPU: 3 PID: 33 at net/mptcp/subflow.c:1515 subflow_data_…
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Unscored —
mm/page_alloc: change all pageblocks migrate type on coalescing
In the Linux kernel, the following vulnerability has been resolved: mm/page_alloc: change all pageblocks migrate type on coalescing When a page is freed it coalesces with a buddy into a higher order page while possible. When the buddy page migrate type differ…
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Unscored —
drm/tilcdc: Fix removal actions in case of failed probe
In the Linux kernel, the following vulnerability has been resolved: drm/tilcdc: Fix removal actions in case of failed probe The drm_kms_helper_poll_fini() and drm_atomic_helper_shutdown() helpers should only be called when the device has been successfully reg…
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Unscored —
cpuset: fix warning when disabling remote partition
In the Linux kernel, the following vulnerability has been resolved: cpuset: fix warning when disabling remote partition A warning was triggered as follows: WARNING: kernel/cgroup/cpuset.c:1651 at remote_partition_disable+0xf7/0x110 RIP: 0010:remote_partition_…
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Unscored —
mptcp: ensure context reset on disconnect()
In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure context reset on disconnect() After the blamed commit below, if the MPC subflow is already in TCP_CLOSE status or has fallback to TCP at mptcp_disconnect() time, mptcp_do_fastcl…
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Unscored —
net: dsa: properly keep track of conduit reference
In the Linux kernel, the following vulnerability has been resolved: net: dsa: properly keep track of conduit reference Problem description ------------------- DSA has a mumbo-jumbo of reference handling of the conduit net device and its kobject which, sadly, …
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Unscored —
af_unix: Give up GC if MSG_PEEK intervened.
In the Linux kernel, the following vulnerability has been resolved: af_unix: Give up GC if MSG_PEEK intervened. Igor Ushakov reported that GC purged the receive queue of an alive socket due to a race with MSG_PEEK with a nice repro. This is the exact same iss…
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Unscored —
netfilter: ipset: drop logically empty buckets in mtype_del
In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: drop logically empty buckets in mtype_del mtype_del() counts empty slots below n->pos in k, but it only drops the bucket when both n->pos and k are zero. This misses buckets…
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Unscored —
crypto: algif_aead - Fix minimum RX size check for decryption
In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Fix minimum RX size check for decryption The check for the minimum receive buffer size did not take the tag size into account during decryption. Fix this by adding the re…
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Unscored —
apparmor: fix NULL pointer dereference in __unix_needs_revalidation
In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL pointer dereference in __unix_needs_revalidation When receiving file descriptors via SCM_RIGHTS, both the socket pointer and the socket's sk pointer can be NULL during sock…
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Unscored —
crypto: algif_aead - snapshot IV for async AEAD requests
In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - snapshot IV for async AEAD requests AF_ALG AEAD AIO requests currently use the socket-wide IV buffer during request processing. For async requests, later socket activity …
References
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report
https://ubuntu.com/security/CVE-2025-71088
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report
https://ubuntu.com/security/CVE-2025-71090
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report
https://ubuntu.com/security/CVE-2025-71127
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report
https://ubuntu.com/security/CVE-2025-71134
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report
https://ubuntu.com/security/CVE-2025-71141
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report
https://ubuntu.com/security/CVE-2025-71142
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report
https://ubuntu.com/security/CVE-2025-71144
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report
https://ubuntu.com/security/CVE-2025-71152
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report
https://ubuntu.com/security/CVE-2025-71155
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report
https://ubuntu.com/security/CVE-2026-22984
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report
https://ubuntu.com/security/CVE-2026-23112
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report
https://ubuntu.com/security/CVE-2026-23231
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report
https://ubuntu.com/security/CVE-2026-23272
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report
https://ubuntu.com/security/CVE-2026-23273
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report
https://ubuntu.com/security/CVE-2026-23274
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report
https://ubuntu.com/security/CVE-2026-23278
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report
https://ubuntu.com/security/CVE-2026-23351
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report
https://ubuntu.com/security/CVE-2026-23392
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report
https://ubuntu.com/security/CVE-2026-23394
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report
https://ubuntu.com/security/CVE-2026-23427
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report
https://ubuntu.com/security/CVE-2026-23428
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report
https://ubuntu.com/security/CVE-2026-23450
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report
https://ubuntu.com/security/CVE-2026-23455
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report
https://ubuntu.com/security/CVE-2026-31402
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report
https://ubuntu.com/security/CVE-2026-31418
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report
https://ubuntu.com/security/CVE-2026-31419
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report
https://ubuntu.com/security/CVE-2026-31436
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report
https://ubuntu.com/security/CVE-2026-31448
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report
https://ubuntu.com/security/CVE-2026-31478
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report
https://ubuntu.com/security/CVE-2026-31504
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report
https://ubuntu.com/security/CVE-2026-31533
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report
https://ubuntu.com/security/CVE-2026-31607
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report
https://ubuntu.com/security/CVE-2026-31635
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report
https://ubuntu.com/security/CVE-2026-31637
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report
https://ubuntu.com/security/CVE-2026-31649
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report
https://ubuntu.com/security/CVE-2026-31657
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report
https://ubuntu.com/security/CVE-2026-31659
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report
https://ubuntu.com/security/CVE-2026-31668
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report
https://ubuntu.com/security/CVE-2026-31669