Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-43341: In the Linux kernel, the following vulnerability has been resolved: net/ipv6: ioam6: prevent schema length wraparound in trace fill CVE-2026-43339: In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible UaF in addrconf_permanent_addr() CVE-2026-43338: In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls CVE-2026-43336: In the Linux kernel, the following vulnerability has been resolved: lib/crypto: chacha: Zeroize permuted_state before it leaves scope CVE-2026-43333: In the Linux kernel, the following vulnerability has been resolved: bpf: reject direct access to nullable PTR_TO_BUF pointers CVE-2026-43332: In the Linux kernel, the following vulnerability has been resolved: thermal: core: Fix thermal zone device registration error path CVE-2026-43329: In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions CVE-2026-43328: In the Linux kernel, the following vulnerability has been resolved: cpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path CVE-2026-43323: In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix zero_vruntime tracking fix CVE-2026-43284: In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags "Dirty Frag" and other issues in Amazon Linux kernels: https://aws.amazon.com/security/security-bulletins/2026-027-aws/ CVE-2026-43117: In the Linux kernel, the following vulnerability has been resolved: btrfs: tracepoints: get correct superblock from dentry in event btrfs_sync_file() CVE-2026-43114: In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry CVE-2026-43112: In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath CVE-2026-43107: In the Linux kernel, the following vulnerability has been resolved: xfrm: account XFRMA_IF_ID in aevent size calculation CVE-2026-43099: In the Linux kernel, the following vulnerability has been resolved: ipv4: icmp: fix null-ptr-deref in icmp_build_probe() CVE-2026-43094: In the Linux kernel, the following vulnerability has been resolved: ixgbevf: add missing negotiate_features op to Hyper-V ops table CVE-2026-43093: In the Linux kernel, the following vulnerability has been resolved: xsk: tighten UMEM headroom validation to account for tailroom and min frame CVE-2026-43092: In the Linux kernel, the following vulnerability has been resolved: xsk: validate MTU against usable frame size on bind CVE-2026-43091: In the Linux kernel, the following vulnerability has been resolved: xfrm: Wait for RCU readers during policy netns exit CVE-2026-43090: In the Linux kernel, the following vulnerability has been resolved: xfrm: fix refcount leak in xfrm_migrate_policy_find CVE-2026-43089: In the Linux kernel, the following vulnerability has been resolved: xfrm_user: fix info leak in build_mapping() CVE-2026-43086: In the Linux kernel, the following vulnerability has been resolved: ipvs: fix NULL deref in ip_vs_add_service error path CVE-2026-43085: In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_log: initialize nfgenmsg in NLMSG_DONE terminator CVE-2026-43084: In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_queue: make hash table per queue CVE-2026-43079: In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Skip discovery table for offline dies CVE-2026-43074: In the Linux kernel, the following vulnerability has been resolved: eventpoll: defer struct eventpoll free to RCU grace period CVE-2026-43073: In the Linux kernel, the following vulnerability has been resolved: x86-64: rename misleadingly named '__copy_user_nocache()' function CVE-2026-43071: In the Linux kernel, the following vulnerability has been resolved: dcache: Limit the minimal number of bucket to two CVE-2026-43057: In the Linux kernel, the following vulnerability has been resolved: net: correctly handle tunneled traffic on IPV6_CSUM GSO fallback CVE-2026-43054: In the Linux kernel, the following vulnerability has been resolved: scsi: target: tcm_loop: Drain commands in target_reset handler CVE-2026-43047: In the Linux kernel, the following vulnerability has been resolved: HID: multitouch: Check to ensure report responses match the request CVE-2026-43046: In the Linux kernel, the following vulnerability has been resolved: btrfs: reject root items with drop_progress and zero drop_level CVE-2026-43043: In the Linux kernel, the following vulnerability has been resolved: crypto: af-alg - fix NULL pointer dereference in scatterwalk CVE-2026-43040: In the Linux kernel, the following vulnerability has been resolved: net: ipv6: ndisc: fix ndisc_ra_useropt to initialize nduseropt_padX fields to zero to prevent an info-leak CVE-2026-43038: In the Linux kernel, the following vulnerability has been resolved: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() CVE-2026-43037: In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() CVE-2026-43036: In the Linux kernel, the following vulnerability has been resolved: net: use skb_header_pointer() for TCPv4 GSO frag_off check CVE-2026-43035: In the Linux kernel, the following vulnerability has been resolved: net: sched: cls_api: fix tc_chain_fill_node to initialize tcm_info to zero to prevent an info-leak CVE-2026-43030: In the Linux kernel, the following vulnerability has been resolved: bpf: Fix regsafe() for pointers to packet CVE-2026-43028: In the Linux kernel, the following vulnerability has been resolved: netfilte
Fixed packages 18
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | bpftool6.12 | 1:6.12.83-113.160.amzn2023 |
| Amazon Linux · 2023 | bpftool6.12-debuginfo | 1:6.12.83-113.160.amzn2023 |
| Amazon Linux · 2023 | kernel-livepatch-6.12.83-113.160 | 1:1.0-0.amzn2023 |
| Amazon Linux · 2023 | kernel6.12 | 1:6.12.83-113.160.amzn2023 |
| Amazon Linux · 2023 | kernel6.12-debuginfo | 1:6.12.83-113.160.amzn2023 |
| Amazon Linux · 2023 | kernel6.12-debuginfo-common-aarch64 | 1:6.12.83-113.160.amzn2023 |
| Amazon Linux · 2023 | kernel6.12-debuginfo-common-x86_64 | 1:6.12.83-113.160.amzn2023 |
| Amazon Linux · 2023 | kernel6.12-devel | 1:6.12.83-113.160.amzn2023 |
| Amazon Linux · 2023 | kernel6.12-headers | 1:6.12.83-113.160.amzn2023 |
| Amazon Linux · 2023 | kernel6.12-modules-extra | 1:6.12.83-113.160.amzn2023 |
| Amazon Linux · 2023 | kernel6.12-modules-extra-common | 1:6.12.83-113.160.amzn2023 |
| Amazon Linux · 2023 | kernel6.12-tools | 1:6.12.83-113.160.amzn2023 |
| Amazon Linux · 2023 | kernel6.12-tools-debuginfo | 1:6.12.83-113.160.amzn2023 |
| Amazon Linux · 2023 | kernel6.12-tools-devel | 1:6.12.83-113.160.amzn2023 |
| Amazon Linux · 2023 | perf6.12 | 1:6.12.83-113.160.amzn2023 |
| Amazon Linux · 2023 | perf6.12-debuginfo | 1:6.12.83-113.160.amzn2023 |
| Amazon Linux · 2023 | python3-perf6.12 | 1:6.12.83-113.160.amzn2023 |
| Amazon Linux · 2023 | python3-perf6.12-debuginfo | 1:6.12.83-113.160.amzn2023 |
Vulnerabilities 106
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Critical 9.8
netfilter: nf_conntrack_expect: use expect->helper
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_expect: use expect->helper Use expect->helper in ctnetlink and /proc to dump the helper name. Using nfct_help() without holding a reference to the master conntrack is …
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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
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
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
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 9.4
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 9.1
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
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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High 8.8
ext4: publish jinode after initialization
In the Linux kernel, the following vulnerability has been resolved: ext4: publish jinode after initialization ext4_inode_attach_jinode() publishes ei->jinode to concurrent users. It used to set ei->jinode before jbd2_journal_init_jbd_inode(), allowing a reade…
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High 8.8
KVM: x86: Use scratch field in MMIO fragment to hold small write values
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Use scratch field in MMIO fragment to hold small write values When exiting to userspace to service an emulated MMIO write, copy the to-be-written value to a scratch field in the MMI…
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High 8.8
fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath
In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath When cifs_sanitize_prepath is called with an empty string or a string containing only delimiters (e.g., "/"), the current logic …
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High 8.8
xfrm: esp: avoid in-place decrypt on shared skb frags
In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSG_SPLICE_PAGES can attach pages from a pipe directly to an skb. TCP marks such skbs with SKBFL_SHARED_FRAG after skb_splice_from_iter()…
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High 7.8
can: raw: fix ro->uniq use-after-free in raw_rcv()
In the Linux kernel, the following vulnerability has been resolved: can: raw: fix ro->uniq use-after-free in raw_rcv() raw_release() unregisters raw CAN receive filters via can_rx_unregister(), but receiver deletion is deferred with call_rcu(). This leaves a …
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High 7.8
mm: blk-cgroup: fix use-after-free in cgwb_release_workfn()
In the Linux kernel, the following vulnerability has been resolved: mm: blk-cgroup: fix use-after-free in cgwb_release_workfn() cgwb_release_workfn() calls css_put(wb->blkcg_css) and then later accesses wb->blkcg_css again via blkcg_unpin_online(). If css_put…
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High 7.8
mm: filemap: fix nr_pages calculation overflow in filemap_map_pages()
In the Linux kernel, the following vulnerability has been resolved: mm: filemap: fix nr_pages calculation overflow in filemap_map_pages() When running stress-ng on my Arm64 machine with v7.0-rc3 kernel, I encountered some very strange crash issues showing up …
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High 7.8
drm/i915/gt: fix refcount underflow in intel_engine_park_heartbeat
In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: fix refcount underflow in intel_engine_park_heartbeat A use-after-free / refcount underflow is possible when the heartbeat worker and intel_engine_park_heartbeat() race to releas…
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High 7.8
netfilter: nft_ct: fix use-after-free in timeout object destroy
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: fix use-after-free in timeout object destroy nft_ct_timeout_obj_destroy() frees the timeout object with kfree() immediately after nf_ct_untimeout(), without waiting for an …
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High 7.8
btrfs: fix incorrect return value after changing leaf in lookup_extent_data_ref()
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect return value after changing leaf in lookup_extent_data_ref() After commit 1618aa3c2e01 ("btrfs: simplify return variables in lookup_extent_data_ref()"), the err and ret v…
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High 7.8
Input: uinput - fix circular locking dependency with ff-core
In the Linux kernel, the following vulnerability has been resolved: Input: uinput - fix circular locking dependency with ff-core A lockdep circular locking dependency warning can be triggered reproducibly when using a force-feedback gamepad with uinput (for e…
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High 7.8
af_unix: read UNIX_DIAG_VFS data under unix_state_lock
In the Linux kernel, the following vulnerability has been resolved: af_unix: read UNIX_DIAG_VFS data under unix_state_lock Exact UNIX diag lookups hold a reference to the socket, but not to u->path. Meanwhile, unix_release_sock() clears u->path under unix_sta…
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High 7.8
net/sched: sch_netem: fix out-of-bounds access in packet corruption
In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_netem: fix out-of-bounds access in packet corruption In netem_enqueue(), the packet corruption logic uses get_random_u32_below(skb_headlen(skb)) to select an index for modifyin…
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High 7.8
net: ipv6: flowlabel: defer exclusive option free until RCU teardown
In the Linux kernel, the following vulnerability has been resolved: net: ipv6: flowlabel: defer exclusive option free until RCU teardown `ip6fl_seq_show()` walks the global flowlabel hash under the seq-file RCU read-side lock and prints `fl->opt->opt_nflen` w…
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High 7.8
thermal: core: Address thermal zone removal races with resume
In the Linux kernel, the following vulnerability has been resolved: thermal: core: Address thermal zone removal races with resume Since thermal_zone_pm_complete() and thermal_zone_device_resume() re-initialize the poll_queue delayed work for the given thermal…
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High 7.8
bpf: sockmap: Fix use-after-free of sk->sk_socket in sk_psock_verdict_data_ready().
In the Linux kernel, the following vulnerability has been resolved: bpf: sockmap: Fix use-after-free of sk->sk_socket in sk_psock_verdict_data_ready(). syzbot reported use-after-free of AF_UNIX socket's sk->sk_socket in sk_psock_verdict_data_ready(). [0] In u…
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High 7.8
bpf: Fix regsafe() for pointers to packet
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix regsafe() for pointers to packet In case rold->reg->range == BEYOND_PKT_END && rcur->reg->range == N regsafe() may return true which may lead to current state with valid packet range…
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High 7.8
HID: multitouch: Check to ensure report responses match the request
In the Linux kernel, the following vulnerability has been resolved: HID: multitouch: Check to ensure report responses match the request It is possible for a malicious (or clumsy) device to respond to a specific report's feature request using a completely diff…
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High 7.8CVE-2026-43074 Public exploit
eventpoll: defer struct eventpoll free to RCU grace period
In the Linux kernel, the following vulnerability has been resolved: eventpoll: defer struct eventpoll free to RCU grace period In certain situations, ep_free() in eventpoll.c will kfree the epi->ep eventpoll struct while it still being used by another concurr…
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High 7.8
netfilter: nfnetlink_queue: make hash table per queue
In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_queue: make hash table per queue Sharing a global hash table among all queues is tempting, but it can cause crash: BUG: KASAN: slab-use-after-free in nfqnl_recv_verdict+0…
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High 7.8
xfrm: Wait for RCU readers during policy netns exit
In the Linux kernel, the following vulnerability has been resolved: xfrm: Wait for RCU readers during policy netns exit xfrm_policy_fini() frees the policy_bydst hash tables after flushing the policy work items and deleting all policies, but it does not wait …
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High 7.8
xsk: tighten UMEM headroom validation to account for tailroom and min frame
In the Linux kernel, the following vulnerability has been resolved: xsk: tighten UMEM headroom validation to account for tailroom and min frame The current headroom validation in xdp_umem_reg() could leave us with insufficient space dedicated to even receive …
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High 7.8
netfilter: flowtable: strictly check for maximum number of actions
In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: * ethernet mangling (4 payload actions, 2 for each ethe…
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High 7.8
thermal: core: Fix thermal zone device registration error path
In the Linux kernel, the following vulnerability has been resolved: thermal: core: Fix thermal zone device registration error path If thermal_zone_device_register_with_trips() fails after registering a thermal zone device, it needs to wait for the tz->removal…
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High 7.8
ipv6: prevent possible UaF in addrconf_permanent_addr()
In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible UaF in addrconf_permanent_addr() The mentioned helper try to warn the user about an exceptional condition, but the message is delivered too late, accessing the ipv6 aft…
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High 7.5
btrfs: do not free data reservation in fallback from inline due to -ENOSPC
In the Linux kernel, the following vulnerability has been resolved: btrfs: do not free data reservation in fallback from inline due to -ENOSPC If we fail to create an inline extent due to -ENOSPC, we will attempt to go through the normal COW path, reserve an …
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High 7.5
tipc: fix bc_ackers underflow on duplicate GRP_ACK_MSG
In the Linux kernel, the following vulnerability has been resolved: tipc: fix bc_ackers underflow on duplicate GRP_ACK_MSG The GRP_ACK_MSG handler in tipc_group_proto_rcv() currently decrements bc_ackers on every inbound group ACK, even when the same member h…
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High 7.5
net: correctly handle tunneled traffic on IPV6_CSUM GSO fallback
In the Linux kernel, the following vulnerability has been resolved: net: correctly handle tunneled traffic on IPV6_CSUM GSO fallback NETIF_F_IPV6_CSUM only advertises support for checksum offload of packets without IPv6 extension headers. Packets with extensi…
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High 7.5
ipv4: icmp: fix null-ptr-deref in icmp_build_probe()
In the Linux kernel, the following vulnerability has been resolved: ipv4: icmp: fix null-ptr-deref in icmp_build_probe() ipv6_stub->ipv6_dev_find() may return ERR_PTR(-EAFNOSUPPORT) when the IPv6 stack is not active (CONFIG_IPV6=m and not loaded), and passing…
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High 7.5
lib/crypto: chacha: Zeroize permuted_state before it leaves scope
In the Linux kernel, the following vulnerability has been resolved: lib/crypto: chacha: Zeroize permuted_state before it leaves scope Since the ChaCha permutation is invertible, the local variable 'permuted_state' is sufficient to compute the original 'state'…
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High 7.3
netfilter: ctnetlink: ignore explicit helper on new expectations
In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: ignore explicit helper on new expectations Use the existing master conntrack helper, anything else is not really supported and it just makes validation more complicated,…
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High 7.1
netfilter: conntrack: add missing netlink policy validations
In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: add missing netlink policy validations Hyunwoo Kim reports out-of-bounds access in sctp and ctnetlink. These attributes are used by the kernel without any validation. Ex…
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High 7.1
io_uring/net: fix slab-out-of-bounds read in io_bundle_nbufs()
In the Linux kernel, the following vulnerability has been resolved: io_uring/net: fix slab-out-of-bounds read in io_bundle_nbufs() sqe->len is __u32 but gets stored into sr->len which is int. When userspace passes sqe->len values exceeding INT_MAX (e.g. 0xFFF…
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High 7.1
netfilter: x_tables: ensure names are nul-terminated
In the Linux kernel, the following vulnerability has been resolved: netfilter: x_tables: ensure names are nul-terminated Reject names that lack a \0 character before feeding them to functions that expect c-strings. Fixes tag is the most recent commit that nee…
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Unscored —
gpiolib: fix race condition for gdev->srcu
In the Linux kernel, the following vulnerability has been resolved: gpiolib: fix race condition for gdev->srcu If two drivers were calling gpiochip_add_data_with_key(), one may be traversing the srcu-protected list in gpio_name_to_desc(), meanwhile other has …
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Unscored —
net: annotate data-races around sk->sk_{data_ready,write_space}
In the Linux kernel, the following vulnerability has been resolved: net: annotate data-races around sk->sk_{data_ready,write_space} skmsg (and probably other layers) are changing these pointers while other cpus might read them concurrently. Add corresponding …
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Unscored —
blktrace: fix __this_cpu_read/write in preemptible context
In the Linux kernel, the following vulnerability has been resolved: blktrace: fix __this_cpu_read/write in preemptible context tracing_record_cmdline() internally uses __this_cpu_read() and __this_cpu_write() on the per-CPU variable trace_cmdline_save, and tr…
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Unscored —
ice: Fix memory leak in ice_set_ringparam()
In the Linux kernel, the following vulnerability has been resolved: ice: Fix memory leak in ice_set_ringparam() In ice_set_ringparam, tx_rings and xdp_rings are allocated before rx_rings. If the allocation of rx_rings fails, the code jumps to the done label l…
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Unscored —
ipv6: add NULL checks for idev in SRv6 paths
In the Linux kernel, the following vulnerability has been resolved: ipv6: add NULL checks for idev in SRv6 paths __in6_dev_get() can return NULL when the device has no IPv6 configuration (e.g. MTU < IPV6_MIN_MTU or after NETDEV_UNREGISTER). Add NULL checks fo…
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Unscored —
ipv6: avoid overflows in ip6_datagram_send_ctl()
In the Linux kernel, the following vulnerability has been resolved: ipv6: avoid overflows in ip6_datagram_send_ctl() Yiming Qian reported : <quote> I believe I found a locally triggerable kernel bug in the IPv6 sendmsg ancillary-data path that can panic the k…
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Unscored —
netfilter: nfnetlink_log: account for netlink header size
In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_log: account for netlink header size This is a followup to an old bug fix: NLMSG_DONE needs to account for the netlink header size, not just the attribute size. This can …
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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 —
net/sched: cls_fw: fix NULL pointer dereference on shared blocks
In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_fw: fix NULL pointer dereference on shared blocks The old-method path in fw_classify() calls tcf_block_q() and dereferences q->handle. Shared blocks leave block->q NULL, causin…
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Unscored —
net/sched: cls_flow: fix NULL pointer dereference on shared blocks
In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_flow: fix NULL pointer dereference on shared blocks flow_change() calls tcf_block_q() and dereferences q->handle to derive a default baseclass. Shared blocks leave block->q NUL…
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Unscored —
net/sched: sch_hfsc: fix divide-by-zero in rtsc_min()
In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_hfsc: fix divide-by-zero in rtsc_min() m2sm() converts a u32 slope to a u64 scaled value. For large inputs (e.g. m1=4000000000), the result can reach 2^32. rtsc_min() stores th…
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Unscored —
netfilter: x_tables: restrict xt_check_match/xt_check_target extensions for NFPROTO_ARP
In the Linux kernel, the following vulnerability has been resolved: netfilter: x_tables: restrict xt_check_match/xt_check_target extensions for NFPROTO_ARP Weiming Shi says: xt_match and xt_target structs registered with NFPROTO_UNSPEC can be loaded by any pr…
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Unscored —CVE-2026-31429 Public exploit
net: skb: fix cross-cache free of KFENCE-allocated skb head
In the Linux kernel, the following vulnerability has been resolved: net: skb: fix cross-cache free of KFENCE-allocated skb head SKB_SMALL_HEAD_CACHE_SIZE is intentionally set to a non-power-of-2 value (e.g. 704 on x86_64) to avoid collisions with generic kmal…
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X.509: Fix out-of-bounds access when parsing extensions
In the Linux kernel, the following vulnerability has been resolved: X.509: Fix out-of-bounds access when parsing extensions Leo reports an out-of-bounds access when parsing a certificate with empty Basic Constraints or Key Usage extension because the first by…
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mm/huge_memory: fix folio isn't locked in softleaf_to_folio()
In the Linux kernel, the following vulnerability has been resolved: mm/huge_memory: fix folio isn't locked in softleaf_to_folio() On arm64 server, we found folio that get from migration entry isn't locked in softleaf_to_folio(). This issue triggers when mTHP …
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ipv4: nexthop: allocate skb dynamically in rtm_get_nexthop()
In the Linux kernel, the following vulnerability has been resolved: ipv4: nexthop: allocate skb dynamically in rtm_get_nexthop() When querying a nexthop object via RTM_GETNEXTHOP, the kernel currently allocates a fixed-size skb using NLMSG_GOODSIZE. While suf…
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bcache: fix cached_dev.sb_bio use-after-free and crash
In the Linux kernel, the following vulnerability has been resolved: bcache: fix cached_dev.sb_bio use-after-free and crash In our production environment, we have received multiple crash reports regarding libceph, which have caught our attention: ``` [6888366.…
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KVM: SEV: Reject attempts to sync VMSA of an already-launched/encrypted vCPU
In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Reject attempts to sync VMSA of an already-launched/encrypted vCPU Reject synchronizing vCPU state to its associated VMSA if the vCPU has already been launched, i.e. if the VMSA has…
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smb: client: fix off-by-8 bounds check in check_wsl_eas()
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix off-by-8 bounds check in check_wsl_eas() The bounds check uses (u8 *)ea + nlen + 1 + vlen as the end of the EA name and value, but ea_data sits at offset sizeof(struct smb2_f…
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HID: core: clamp report_size in s32ton() to avoid undefined shift
In the Linux kernel, the following vulnerability has been resolved: HID: core: clamp report_size in s32ton() to avoid undefined shift s32ton() shifts by n-1 where n is the field's report_size, a value that comes directly from a HID device. The HID parser boun…
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HID: alps: fix NULL pointer dereference in alps_raw_event()
In the Linux kernel, the following vulnerability has been resolved: HID: alps: fix NULL pointer dereference in alps_raw_event() Commit ecfa6f34492c ("HID: Add HID_CLAIMED_INPUT guards in raw_event callbacks missing them") attempted to fix up the HID drivers t…
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x86/CPU: Fix FPDSS on Zen1
In the Linux kernel, the following vulnerability has been resolved: x86/CPU: Fix FPDSS on Zen1 Zen1's hardware divider can leave, under certain circumstances, partial results from previous operations. Those results can be leaked by another, attacker thread. F…
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rxrpc: fix reference count leak in rxrpc_server_keyring()
In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix reference count leak in rxrpc_server_keyring() This patch fixes a reference count leak in rxrpc_server_keyring() by checking if rx->securities is already set.
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xfrm: clear trailing padding in build_polexpire()
In the Linux kernel, the following vulnerability has been resolved: xfrm: clear trailing padding in build_polexpire() build_expire() clears the trailing padding bytes of struct xfrm_user_expire after setting the hard field via memset_after(), but the analogou…
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xfrm_user: fix info leak in build_report()
In the Linux kernel, the following vulnerability has been resolved: xfrm_user: fix info leak in build_report() struct xfrm_user_report is a __u8 proto field followed by a struct xfrm_selector which means there is three "empty" bytes of padding, but the paddin…
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crypto: af_alg - limit RX SG extraction by receive buffer budget
In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - limit RX SG extraction by receive buffer budget Make af_alg_get_rsgl() limit each RX scatterlist extraction to the remaining receive buffer budget. af_alg_get_rsgl() currentl…
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netfilter: xt_multiport: validate range encoding in checkentry
In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_multiport: validate range encoding in checkentry ports_match_v1() treats any non-zero pflags entry as the start of a port range and unconditionally consumes the next ports[] ele…
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net: sched: act_csum: validate nested VLAN headers
In the Linux kernel, the following vulnerability has been resolved: net: sched: act_csum: validate nested VLAN headers tcf_csum_act() walks nested VLAN headers directly from skb->data when an skb still carries in-payload VLAN tags. The current code reads vlan…
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EDAC/mc: Fix error path ordering in edac_mc_alloc()
In the Linux kernel, the following vulnerability has been resolved: EDAC/mc: Fix error path ordering in edac_mc_alloc() When the mci->pvt_info allocation in edac_mc_alloc() fails, the error path will call put_device() which will end up calling the device's re…
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sched_ext: Fix stale direct dispatch state in ddsp_dsq_id
In the Linux kernel, the following vulnerability has been resolved: sched_ext: Fix stale direct dispatch state in ddsp_dsq_id @p->scx.ddsp_dsq_id can be left set (non-SCX_DSQ_INVALID) triggering a spurious warning in mark_direct_dispatch() when the next wakeu…
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vxlan: validate ND option lengths in vxlan_na_create
In the Linux kernel, the following vulnerability has been resolved: vxlan: validate ND option lengths in vxlan_na_create vxlan_na_create() walks ND options according to option-provided lengths. A malformed option can make the parser advance beyond the compute…
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bridge: br_nd_send: validate ND option lengths
In the Linux kernel, the following vulnerability has been resolved: bridge: br_nd_send: validate ND option lengths br_nd_send() walks ND options according to option-provided lengths. A malformed option can make the parser advance beyond the computed option sp…
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drm/i915/dsi: Don't do DSC horizontal timing adjustments in command mode
In the Linux kernel, the following vulnerability has been resolved: drm/i915/dsi: Don't do DSC horizontal timing adjustments in command mode Stop adjusting the horizontal timing values based on the compression ratio in command mode. Bspec seems to be telling …
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drm/ioc32: stop speculation on the drm_compat_ioctl path
In the Linux kernel, the following vulnerability has been resolved: drm/ioc32: stop speculation on the drm_compat_ioctl path The drm compat ioctl path takes a user controlled pointer, and then dereferences it into a table of function pointers, the signature m…
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net/mlx5: Fix switchdev mode rollback in case of failure
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix switchdev mode rollback in case of failure If for some internal reason switchdev mode fails, we rollback to legacy mode, before this patch, rollback will unregister the uplink n…
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net/mlx5: lag: Check for LAG device before creating debugfs
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: lag: Check for LAG device before creating debugfs __mlx5_lag_dev_add_mdev() may return 0 (success) even when an error occurs that is handled gracefully. Consequently, the initializa…
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netfilter: nf_tables: reject immediate NF_QUEUE verdict
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: reject immediate NF_QUEUE verdict nft_queue is always used from userspace nftables to deliver the NF_QUEUE verdict. Immediately emitting an NF_QUEUE verdict is never use…
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netfilter: ctnetlink: zero expect NAT fields when CTA_EXPECT_NAT absent
In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: zero expect NAT fields when CTA_EXPECT_NAT absent ctnetlink_alloc_expect() allocates expectations from a non-zeroing slab cache via nf_ct_expect_alloc(). When CTA_EXPECT…
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netfilter: nf_conntrack_helper: pass helper to expect cleanup
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_helper: pass helper to expect cleanup nf_conntrack_helper_unregister() calls nf_ct_expect_iterate_destroy() to remove expectations belonging to the helper being unregi…
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net: sched: cls_api: fix tc_chain_fill_node to initialize tcm_info to zero to prevent an info-leak
In the Linux kernel, the following vulnerability has been resolved: net: sched: cls_api: fix tc_chain_fill_node to initialize tcm_info to zero to prevent an info-leak When building netlink messages, tc_chain_fill_node() never initializes the tcm_info field of…
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net: use skb_header_pointer() for TCPv4 GSO frag_off check
In the Linux kernel, the following vulnerability has been resolved: net: use skb_header_pointer() for TCPv4 GSO frag_off check Syzbot reported a KMSAN uninit-value warning in gso_features_check() called from netif_skb_features() [1]. gso_features_check() read…
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net: ipv6: ndisc: fix ndisc_ra_useropt to initialize nduseropt_padX fields to zero to prevent an info-leak
In the Linux kernel, the following vulnerability has been resolved: net: ipv6: ndisc: fix ndisc_ra_useropt to initialize nduseropt_padX fields to zero to prevent an info-leak When processing Router Advertisements with user options the kernel builds an RTM_NEW…
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crypto: af-alg - fix NULL pointer dereference in scatterwalk
In the Linux kernel, the following vulnerability has been resolved: crypto: af-alg - fix NULL pointer dereference in scatterwalk The AF_ALG interface fails to unmark the end of a Scatter/Gather List (SGL) when chaining a new af_alg_tsgl structure. If a sendms…
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btrfs: reject root items with drop_progress and zero drop_level
In the Linux kernel, the following vulnerability has been resolved: btrfs: reject root items with drop_progress and zero drop_level [BUG] When recovering relocation at mount time, merge_reloc_root() and btrfs_drop_snapshot() both use BUG_ON(level == 0) to gua…
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scsi: target: tcm_loop: Drain commands in target_reset handler
In the Linux kernel, the following vulnerability has been resolved: scsi: target: tcm_loop: Drain commands in target_reset handler tcm_loop_target_reset() violates the SCSI EH contract: it returns SUCCESS without draining any in-flight commands. The SCSI EH d…
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x86-64: rename misleadingly named '__copy_user_nocache()' function
In the Linux kernel, the following vulnerability has been resolved: x86-64: rename misleadingly named '__copy_user_nocache()' function This function was a masterclass in bad naming, for various historical reasons. It claimed to be a non-cached user copy. It i…
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perf/x86/intel/uncore: Skip discovery table for offline dies
In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Skip discovery table for offline dies This warning can be triggered if NUMA is disabled and the system boots with fewer CPUs than the number of CPUs in die 0. WARNING: …
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netfilter: nfnetlink_log: initialize nfgenmsg in NLMSG_DONE terminator
In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_log: initialize nfgenmsg in NLMSG_DONE terminator When batching multiple NFLOG messages (inst->qlen > 1), __nfulnl_send() appends an NLMSG_DONE terminator with sizeof(str…
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ipvs: fix NULL deref in ip_vs_add_service error path
In the Linux kernel, the following vulnerability has been resolved: ipvs: fix NULL deref in ip_vs_add_service error path When ip_vs_bind_scheduler() succeeds in ip_vs_add_service(), the local variable sched is set to NULL. If ip_vs_start_estimator() subsequen…
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xfrm_user: fix info leak in build_mapping()
In the Linux kernel, the following vulnerability has been resolved: xfrm_user: fix info leak in build_mapping() struct xfrm_usersa_id has a one-byte padding hole after the proto field, which ends up never getting set to zero before copying out to userspace. F…
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xfrm: fix refcount leak in xfrm_migrate_policy_find
In the Linux kernel, the following vulnerability has been resolved: xfrm: fix refcount leak in xfrm_migrate_policy_find syzkaller reported a memory leak in xfrm_policy_alloc: BUG: memory leak unreferenced object 0xffff888114d79000 (size 1024): comm "syz.1.17"…
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xsk: validate MTU against usable frame size on bind
In the Linux kernel, the following vulnerability has been resolved: xsk: validate MTU against usable frame size on bind AF_XDP bind currently accepts zero-copy pool configurations without verifying that the device MTU fits into the usable frame space provided…
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ixgbevf: add missing negotiate_features op to Hyper-V ops table
In the Linux kernel, the following vulnerability has been resolved: ixgbevf: add missing negotiate_features op to Hyper-V ops table Commit a7075f501bd3 ("ixgbevf: fix mailbox API compatibility by negotiating supported features") added the .negotiate_features …
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xfrm: account XFRMA_IF_ID in aevent size calculation
In the Linux kernel, the following vulnerability has been resolved: xfrm: account XFRMA_IF_ID in aevent size calculation xfrm_get_ae() allocates the reply skb with xfrm_aevent_msgsize(), then build_aevent() appends attributes including XFRMA_IF_ID when x->if_…
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sched/fair: Fix zero_vruntime tracking fix
In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix zero_vruntime tracking fix John reported that stress-ng-yield could make his machine unhappy and managed to bisect it to commit b3d99f43c72b ("sched/fair: Fix zero_vruntime tr…
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cpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path
In the Linux kernel, the following vulnerability has been resolved: cpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path When kobject_init_and_add() fails, cpufreq_dbs_governor_init() calls kobject_put(&dbs_data->attr_set.kobj). The ko…
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bpf: reject direct access to nullable PTR_TO_BUF pointers
In the Linux kernel, the following vulnerability has been resolved: bpf: reject direct access to nullable PTR_TO_BUF pointers check_mem_access() matches PTR_TO_BUF via base_type() which strips PTR_MAYBE_NULL, allowing direct dereference without a null check. …
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btrfs: reserve enough transaction items for qgroup ioctls
In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for t…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2025-71269.html
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https://alas.aws.amazon.com/cve/html/CVE-2026-22986.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-23302.html
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https://alas.aws.amazon.com/cve/html/CVE-2026-23374.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-23389.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-23442.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-31407.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-31414.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-31415.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-31416.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-31418.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-31421.html
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https://alas.aws.amazon.com/cve/html/CVE-2026-31422.html
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https://alas.aws.amazon.com/cve/html/CVE-2026-31423.html
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https://alas.aws.amazon.com/cve/html/CVE-2026-31424.html
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https://alas.aws.amazon.com/cve/html/CVE-2026-31429.html
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https://alas.aws.amazon.com/cve/html/CVE-2026-31430.html
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https://alas.aws.amazon.com/cve/html/CVE-2026-31450.html
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https://alas.aws.amazon.com/cve/html/CVE-2026-31466.html
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https://alas.aws.amazon.com/cve/html/CVE-2026-31531.html
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https://alas.aws.amazon.com/cve/html/CVE-2026-31532.html
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https://alas.aws.amazon.com/cve/html/CVE-2026-31533.html
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https://alas.aws.amazon.com/cve/html/CVE-2026-31580.html
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https://alas.aws.amazon.com/cve/html/CVE-2026-31586.html
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https://alas.aws.amazon.com/cve/html/CVE-2026-31588.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-31593.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-31607.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-31614.html
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https://alas.aws.amazon.com/cve/html/CVE-2026-31624.html
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-31625.html