CVE-2026-53166

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: Linux kernel: Memory leak in networking due to incorrect GRO packet handling (CVE-2026-22979)

• kernel: rtmutex: Use waiter::task instead of current in remove_waiter() (CVE-2026-43499)

• kernel: net: bridge: use a stable FDB dst snapshot in RCU readers (CVE-2026-46086)

• kernel: crypto: ccp - copy IV using skcipher ivsize (CVE-2026-53016)

• kernel: futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock (CVE-2026-53166)

Bug Fix(es) and Enhancement(s):

• Kernel panic very early during boot while reading a tracefs file (available_filter_functions) due to invalid module name pointer [9.8.z] (JIRA:Rocky Linux-183236)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: md/bitmap: fix GPF in write_page caused by resize race (CVE-2026-43163)

• kernel: rtmutex: Use waiter::task instead of current in remove_waiter() (CVE-2026-43499)

• kernel: futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock (CVE-2026-53166)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: Linux kernel: Memory leak in networking due to incorrect GRO packet handling (CVE-2026-22979)
• kernel: rtmutex: Use waiter::task instead of current in remove_waiter() (CVE-2026-43499)
• kernel: net: bridge: use a stable FDB dst snapshot in RCU readers (CVE-2026-46086)
• kernel: crypto: ccp - copy IV using skcipher ivsize (CVE-2026-53016)
• kernel: futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock (CVE-2026-53166)

Bug Fix(es) and Enhancement(s):

• Kernel panic very early during boot while reading a tracefs file (available_filter_functions) due to invalid module name pointer [9.8.z] (JIRA:AlmaLinux-183236)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: md/bitmap: fix GPF in write_page caused by resize race (CVE-2026-43163)
• kernel: rtmutex: Use waiter::task instead of current in remove_waiter() (CVE-2026-43499)
• kernel: futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock (CVE-2026-53166)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Please update

Please update

• futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock {CVE-2026-53166}
• rtmutex: Use waiter::task instead of current in remove_waiter() {CVE-2026-43499}
• i40e: Fix use-after-free in i40e_client_subtask() {CVE-2021-46991}
• ethernet:enic: Fix a use after free bug in enic_hard_start_xmit {CVE-2021-46998}

• futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock {CVE-2026-53166}
• rtmutex: Use waiter::task instead of current in remove_waiter() {CVE-2026-43499}

• CVE-2026-53166
  • futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock {CVE-2026-53166}
• CVE-2026-43499
  • rtmutex: Use waiter::task instead of current in remove_waiter() {CVE-2026-43499}
• Miscellaneous upstream changes
  • Revert "ext4: fix warning in ext4_iomap_begin as race between bmap and write {CVE-2022-50082}"
• Bump ABI 4.15.0-262

• CVE-2026-53166
  • futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock {CVE-2026-53166}
• CVE-2026-43499
  • rtmutex: Use waiter::task instead of current in remove_waiter() {CVE-2026-43499}
• Miscellaneous upstream changes
  • Revert "ext4: fix warning in ext4_iomap_begin as race between bmap and write {CVE-2022-50082}"
• Bump ABI 4.15.0-262

• CVE-2026-53166
  • futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock {CVE-2026-53166}
• CVE-2026-43499
  • rtmutex: Use waiter::task instead of current in remove_waiter() {CVE-2026-43499}
• Bump ABI 4.4.0-285

• ima: don't clear IMA_DIGSIG flag when setting or removing non-IMA xattr {CVE-2025-68183}
• futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock {CVE-2026-53166}
• rtmutex: Use waiter::task instead of current in remove_waiter() {CVE-2026-43499}
• net: bonding: fix use-after-free in bond_xmit_broadcast() {CVE-2026-31419}
• Bluetooth: SCO: Fix use-after-free in sco_recv_frame() due to missing sock_hold {CVE-2026-31408}
• mptcp: fix slab-use-after-free in __inet_lookup_established {CVE-2026-31669}
• svcrdma: bound check rq_pages index in inline path {CVE-2025-71068}
• ALSA: scarlett2: Fix buffer overflow in config retrieval {CVE-2026-23078}
• cpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path {CVE-2026-43328}
• drm/amd/display: Do not skip unrelated mode changes in DSC validation {CVE-2026-31488}
• HID: wacom: fix out-of-bounds read in wacom_intuos_bt_irq {CVE-2026-43051}
• net: usb: cdc_ncm: add ndpoffset to NDP16 nframes bounds check {CVE-2026-23448}
• bpf, sockmap: Fix race between element replace and close() {CVE-2024-56664}
• mm: blk-cgroup: fix use-after-free in cgwb_release_workfn() {CVE-2026-31586}
• crypto: pcrypt - Fix handling of MAY_BACKLOG requests {CVE-2026-43493}
• atm: lec: fix use-after-free in sock_def_readable() {CVE-2026-43050}
• driver core: enforce device_lock for driver_match_device() {CVE-2026-31688}
• driver core: platform: use generic driver_override infrastructure {CVE-2026-31527}
• nfsd: fix heap overflow in NFSv4.0 LOCK replay cache {CVE-2026-31402}
• ext4: convert inline data to extents when truncate exceeds inline size {CVE-2026-31452}
• usb: class: cdc-wdm: fix reordering issue in read code path {CVE-2026-43427}
• xen/privcmd: fix double free via VMA splitting {CVE-2026-31787}
• netfilter: nf_tables: release flowtable after rcu grace period on error {CVE-2026-23392}
• wifi: mac80211: check tdls flag in ieee80211_tdls_oper {CVE-2026-43052}
• netfilter: conntrack: switch to siphash {CVE-2021-3773}
• gpiolib: cdev: fix NULL-pointer dereferences {CVE-2022-50453}
• tracing: Free buffers when a used dynamic event is removed {CVE-2022-49006}
• dlm: validate length in dlm_search_rsb_tree {CVE-2026-43125}
• Bluetooth: btintel: serialize btintel_hw_error() with hci_req_sync_lock {CVE-2026-31500}
• tpm: fix reference counting for struct tpm_chip {CVE-2022-2977}
• tracing: Fix wild-memory-access in register_synth_event() {CVE-2022-49799}
• nfnetlink_osf: validate individual option lengths in fingerprints {CVE-2026-23397}
• ext4: block range must be validated before use in ext4_mb_clear_bb() {CVE-2022-50021}
• netfilter: flowtable: strictly check for maximum number of actions {CVE-2026-43329}
• crypto: lzo - Fix compression buffer overrun {CVE-2025-38068}
• xen: fix buffer overflow in buildid_show() {CVE-2026-31786}
• NTB: fix possible name leak in ntb_register_device() {CVE-2023-52652}
• ALSA: ctxfi: Fix potential OOB access in audio mixer handling {CVE-2026-23076}
• erspan: do not use skb_mac_header() in ndo_start_xmit() {CVE-2023-53053}
• net: af_key: zero aligned sockaddr tail in PF_KEY exports {CVE-2026-43088}
• ata: libata-transport: fix double ata_host_put() in ata_tport_add() {CVE-2022-49826}

• CVE-2026-31607
  • usbip: validate number_of_packets in usbip_pack_ret_submit() {CVE-2026-31607}
• CVE-2026-31527
  • driver core: platform: use generic driver_override infrastructure {CVE-2026-31527}
• CVE-2026-43493
  • crypto: pcrypt - Fix handling of MAY_BACKLOG requests {CVE-2026-43493}
• CVE-2026-43038
  • ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() {CVE-2026-43038}
• CVE-2026-43037
  • ip6_tunnel: clear skb2->cb[] in ip4ip6_err() {CVE-2026-43037}
• CVE-2026-23083
  • fou: Don't allow 0 for FOU_ATTR_IPPROTO. {CVE-2026-23083}
• CVE-2024-57982
  • xfrm: state: fix out-of-bounds read during lookup {CVE-2024-57982}
• CVE-2024-50115
  • KVM: nSVM: Ignore nCR3[4:0] when loading PDPTEs from memory {CVE-2024-50115}
• CVE-2026-53166
  • futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock {CVE-2026-53166}
• CVE-2026-43499
  • rtmutex: Use waiter::task instead of current in remove_waiter() {CVE-2026-43499}
• CVE-2023-6546
  • tty: n_gsm: fix the UAF caused by race condition in gsm_cleanup_mux {CVE-2023-6546}
• CVE-2023-53510
  • scsi: ufs: core: Fix handling of lrbp->cmd {CVE-2023-53510}
• CVE-2023-53286
  • RDMA/mlx5: Return the firmware result upon destroying QP/RQ {CVE-2023-53286}
• CVE-2023-53259
  • VMCI: check context->notify_page after call to get_user_pages_fast() to avoid GPF {CVE-2023-53259}
• CVE-2026-31500
  • Bluetooth: btintel: serialize btintel_hw_error() with hci_req_sync_lock {CVE-2026-31500}
• CVE-2023-52916
  • media: aspeed: Fix memory overwrite if timing is 1600x900 {CVE-2023-52916}
• CVE-2022-50021
  • ext4: block range must be validated before use in ext4_mb_clear_bb() {CVE-2022-50021}
• CVE-2022-49799
  • tracing: Fix wild-memory-access in register_synth_event() {CVE-2022-49799}
• CVE-2022-49234
  • net: dsa: Avoid cross-chip syncing of VLAN filtering {CVE-2022-49234}
• CVE-2022-48744
  • net/mlx5e: Avoid field-overflowing memcpy() {CVE-2022-48744}
• CVE-2026-23164
  • rocker: fix memory leak in rocker_world_port_post_fini() {CVE-2026-23164}
• CVE-2026-23150
  • nfc: llcp: Fix memleak in nfc_llcp_send_ui_frame(). {CVE-2026-23150}
• CVE-2026-23133
  • wifi: ath10k: fix dma_free_coherent() pointer {CVE-2026-23133}
• CVE-2026-23121
  • mISDN: annotate data-race around dev->work {CVE-2026-23121}
• CVE-2026-23108
  • can: usb_8dev: usb_8dev_read_bulk_callback(): fix URB memory leak {CVE-2026-23108}
• CVE-2026-23103
  • ipvlan: Make the addrs_lock be per port {CVE-2026-23103}
• CVE-2026-23101
  • leds: led-class: Only Add LED to leds_list when it is fully ready {CVE-2026-23101}
• CVE-2026-23095
  • gue: Fix skb memleak with inner IP protocol 0. {CVE-2026-23095}
• CVE-2026-23084
  • be2net: Fix NULL pointer dereference in be_cmd_get_mac_from_list {CVE-2026-23084}
• CVE-2026-23080
  • can: mcba_usb: mcba_usb_read_bulk_callback(): fix URB memory leak {CVE-2026-23080}
• CVE-2026-23071
  • regmap: Fix race condition in hwspinlock irqsave routine {CVE-2026-23071}
• CVE-2026-23058
  • can: ems_usb: ems_usb_read_bulk_callback(): fix URB memory leak {CVE-2026-23058}
• CVE-2026-23038
  • pnfs/flexfiles: Fix memory leak in nfs4_ff_alloc_deviceid_node() {CVE-2026-23038}
• CVE-2026-23011
  • ipv4: ip_gre: make ipgre_header() robust {CVE-2026-23011}
• CVE-2026-23003
  • ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv() {CVE-2026-23003}
• CVE-2025-71194
  • btrfs: fix deadlock in wait_current_trans() due to ignored transaction type {CVE-2025-71194}
• CVE-2026-31417
  • net/x25: Fix overflow when accumulating packets {CVE-2026-31417}
• CVE-2026-31396
  • net: macb: fix use-after-free access to PTP clock…

• futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock {CVE-2026-53166}
• rtmutex: Use waiter::task instead of current in remove_waiter() {CVE-2026-43499}
• ip6_tunnel: clear skb2->cb[] in ip4ip6_err() {CVE-2026-43037}

• scsi: ses: Fix possible addl_desc_ptr out-of-bounds accesses
• scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process()
• i40e: increase max descriptors for XL710
• e1000e: fix heap overflow in e1000_set_eeprom
• vsock: avoid to close connected socket after the timeout
• ext4: fix use-after-free in ext4_orphan_cleanup
• ext4: lost matching-pair of trace in ext4_truncate
• ext4: allow ext4_truncate() to return an error
• net: sched: sch_teql: fix null-pointer dereference
• drm/virtio: move drm_connector_update_edid_property() call
• cifs: fix strcat buffer overflow and reduce raciness in smb21_set_oplock_level()
• cifs: serialise setting of cifsInodeInfo::oplock
• cifs: serialise DIO and buffered IO
• RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug {CVE-2025-38024}
• netfilter: nf_tables: fix use-after-free in nf_tables_addchain()
• iavf: Fix reset error handling
• RDMA/rxe: Fix incomplete state save in rxe_requester
• scsi: qla2xxx: Fix bsg_done() causing double free
• nfsd: fix heap overflow in NFSv4.0 LOCK replay cache {CVE-2026-31402}
• net: check iov bounds in memcpy_from_msg() {CVE-2018-16885}
• md/bitmap: fix GPF in write_page caused by resize race {CVE-2026-43163}
• RDMA/rxe: Fix lines missed in backport of Fix incomplete state save in rxe_requester
• ip6_tunnel: clear skb2->cb[] in ip4ip6_err() {CVE-2026-43037}
• wifi: brcmfmac: validate bsscfg indices in IF events {CVE-2026-43110}
• xfs: fix freemap adjustments when adding xattrs to leaf blocks {CVE-2026-43158}
• dlm: fix buffer overflow from negative len in dlm_search_rsb_tree {CVE-2026-43125}
• RDMA/rxe: Fix double free in rxe_srq_from_init {CVE-2026-45852}
• tcp: fix potential race in tcp_v6_syn_recv_sock() {CVE-2026-43198}
• RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() {CVE-2026-46181}
• net: sched: act_csum: validate nested VLAN headers {CVE-2026-31684}
• xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete {CVE-2026-46116}
• ALSA: aloop: Fix peer runtime UAF during format-change stop {CVE-2026-46090}
• rtmutex: Skip remove_waiter() when waiter is not enqueued {CVE-2026-53166}
• RDMA/rxe: Zero out index member of struct rxe_queue

• scsi: ses: Fix possible addl_desc_ptr out-of-bounds accesses
• scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process()
• i40e: increase max descriptors for XL710
• e1000e: fix heap overflow in e1000_set_eeprom
• vsock: avoid to close connected socket after the timeout
• ext4: fix use-after-free in ext4_orphan_cleanup
• ext4: lost matching-pair of trace in ext4_truncate
• ext4: allow ext4_truncate() to return an error
• net: sched: sch_teql: fix null-pointer dereference
• drm/virtio: move drm_connector_update_edid_property() call
• cifs: fix strcat buffer overflow and reduce raciness in smb21_set_oplock_level()
• cifs: serialise setting of cifsInodeInfo::oplock
• cifs: serialise DIO and buffered IO
• RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug {CVE-2025-38024}
• netfilter: nf_tables: fix use-after-free in nf_tables_addchain()
• iavf: Fix reset error handling
• RDMA/rxe: Fix incomplete state save in rxe_requester
• scsi: qla2xxx: Fix bsg_done() causing double free
• nfsd: fix heap overflow in NFSv4.0 LOCK replay cache {CVE-2026-31402}
• net: check iov bounds in memcpy_from_msg() {CVE-2018-16885}
• md/bitmap: fix GPF in write_page caused by resize race {CVE-2026-43163}
• RDMA/rxe: Fix lines missed in backport of Fix incomplete state save in rxe_requester
• ip6_tunnel: clear skb2->cb[] in ip4ip6_err() {CVE-2026-43037}
• wifi: brcmfmac: validate bsscfg indices in IF events {CVE-2026-43110}
• xfs: fix freemap adjustments when adding xattrs to leaf blocks {CVE-2026-43158}
• dlm: fix buffer overflow from negative len in dlm_search_rsb_tree {CVE-2026-43125}
• RDMA/rxe: Fix double free in rxe_srq_from_init {CVE-2026-45852}
• tcp: fix potential race in tcp_v6_syn_recv_sock() {CVE-2026-43198}
• RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() {CVE-2026-46181}
• net: sched: act_csum: validate nested VLAN headers {CVE-2026-31684}
• xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete {CVE-2026-46116}
• ALSA: aloop: Fix peer runtime UAF during format-change stop {CVE-2026-46090}
• rtmutex: Skip remove_waiter() when waiter is not enqueued {CVE-2026-53166}
• RDMA/rxe: Zero out index member of struct rxe_queue

• scsi: ses: Fix possible addl_desc_ptr out-of-bounds accesses
• scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process()
• i40e: increase max descriptors for XL710
• e1000e: fix heap overflow in e1000_set_eeprom
• vsock: avoid to close connected socket after the timeout
• ext4: fix use-after-free in ext4_orphan_cleanup
• ext4: lost matching-pair of trace in ext4_truncate
• ext4: allow ext4_truncate() to return an error
• net: sched: sch_teql: fix null-pointer dereference
• drm/virtio: move drm_connector_update_edid_property() call
• cifs: fix strcat buffer overflow and reduce raciness in smb21_set_oplock_level()
• cifs: serialise setting of cifsInodeInfo::oplock
• cifs: serialise DIO and buffered IO
• RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug {CVE-2025-38024}
• netfilter: nf_tables: fix use-after-free in nf_tables_addchain()
• iavf: Fix reset error handling
• RDMA/rxe: Fix incomplete state save in rxe_requester
• scsi: qla2xxx: Fix bsg_done() causing double free
• nfsd: fix heap overflow in NFSv4.0 LOCK replay cache {CVE-2026-31402}
• net: check iov bounds in memcpy_from_msg() {CVE-2018-16885}
• md/bitmap: fix GPF in write_page caused by resize race {CVE-2026-43163}
• RDMA/rxe: Fix lines missed in backport of Fix incomplete state save in rxe_requester
• ip6_tunnel: clear skb2->cb[] in ip4ip6_err() {CVE-2026-43037}
• wifi: brcmfmac: validate bsscfg indices in IF events {CVE-2026-43110}
• xfs: fix freemap adjustments when adding xattrs to leaf blocks {CVE-2026-43158}
• dlm: fix buffer overflow from negative len in dlm_search_rsb_tree {CVE-2026-43125}
• RDMA/rxe: Fix double free in rxe_srq_from_init {CVE-2026-45852}
• tcp: fix potential race in tcp_v6_syn_recv_sock() {CVE-2026-43198}
• RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() {CVE-2026-46181}
• net: sched: act_csum: validate nested VLAN headers {CVE-2026-31684}
• xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete {CVE-2026-46116}
• ALSA: aloop: Fix peer runtime UAF during format-change stop {CVE-2026-46090}
• rtmutex: Skip remove_waiter() when waiter is not enqueued {CVE-2026-53166}
• RDMA/rxe: Zero out index member of struct rxe_queue

• Rebased onto Oracle UEK base 5.4.17-2136.357.2.el7uek
• sctp: don't free the ASCONF's own transport in DEL-IP processing {CVE-2026-64564}
• ocfs2/dlm: fix off-by-one in dlm_match_regions() region comparison {CVE-2026-53309}
• ocfs2/dlm: validate qr_numregions in dlm_match_regions() {CVE-2026-53043}
• ixgbevf: fix use-after-free in VEPA multicast source pruning {CVE-2026-64113}
• ipv4: raw: reject IP_HDRINCL packets with ihl < 5 {CVE-2026-64114}
• NFSv4: include MAY_WRITE in open permission mask for O_TRUNC {CVE-2026-64298}
• fuse: re-lock request before returning from fuse_ref_folio() {CVE-2026-64266}
• scsi: isci: Fix use-after-free in device removal path {CVE-2026-64103}
• crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec {CVE-2026-23060}
• futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock {CVE-2026-53166}
• net: af_key: zero aligned sockaddr tail in PF_KEY exports {CVE-2026-43088}
• scsi: aic94xx: fix use-after-free in device removal path {CVE-2025-71075}
• i2c: piix4: Fix adapter not be removed in piix4_remove() {CVE-2022-49900}
• Bluetooth: MGMT: validate LTK enc_size on load {CVE-2026-43020}
• ext4: convert inline data to extents when truncate exceeds inline size {CVE-2026-31452}
• can: raw: fix ro->uniq use-after-free in raw_rcv() {CVE-2026-31532}
• ALSA: 6fire: fix use-after-free on disconnect {CVE-2026-31581}
• ocfs2: fix use-after-free in ocfs2_fault() when VM_FAULT_RETRY {CVE-2026-31597}
• netfilter: nf_conntrack_helper: pass helper to expect cleanup {CVE-2026-43027}
• drm/amdgpu: Fix use-after-free race in VM acquire {CVE-2026-43370}
• xfrm_user: fix info leak in build_mapping() {CVE-2026-43089}
• xfs: fix freemap adjustments when adding xattrs to leaf blocks {CVE-2026-43158}
• libceph: make decode_pool() more resilient against corrupted osdmaps {CVE-2025-71116}
• e1000: fix OOB in e1000_tbi_should_accept() {CVE-2025-71093}
• ALSA: usb-audio: Use correct version for UAC3 header validation {CVE-2026-23318}
• nfnetlink_osf: validate individual option lengths in fingerprints {CVE-2026-23397}
• Squashfs: check metadata block offset is within range {CVE-2026-23388}
• net: bridge: fix nd_tbl NULL dereference when IPv6 is disabled {CVE-2026-23381}
• wifi: mac80211: fix NULL deref in mesh_matches_local() {CVE-2026-23396}
• icmp: fix NULL pointer dereference in icmp_tag_validation() {CVE-2026-23398}
• HID: Add HID_CLAIMED_INPUT guards in raw_event callbacks missing them {CVE-2026-23382}
• net: usb: kalmia: validate USB endpoints {CVE-2026-23365}
• wifi: radiotap: reject radiotap with unknown bits {CVE-2026-23367}
• drbd: fix "LOGIC BUG" in drbd_al_begin_io_nonblock() {CVE-2026-23356}
• batman-adv: reject oversized global TT response buffers {CVE-2026-31659}
• drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set() {CVE-2026-43206}
• net: ipv6: ndisc: fix ndisc_ra_useropt to initialize nduseropt_padX fields to zero to prevent an info-leak {CVE-2026-43040}
• ALSA: ctxfi: Limit PTP to a single page {CVE-2026-31602}
• nvdimm/bus: Fix potential use after free in asynchronous initialization {CVE-2026-31399}
• usb: class: cdc-wdm: fix reordering issue in read code path {CVE-2026-43427}
• media: dvb-net: fix OOB access in ULE extension header tables {CVE-2026-31405}
• sysctl: Fix data races in proc_douintvec(). {CVE-2022-49641}
• netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table() {CVE-2026-43450}
• ALSA: caiaq: fix stack out-of-bounds read in init_card {CVE-2026-31778}
• atm: lec: fix use-after-free in sock_def_readable() {CVE-2026-43050}
• fs: writeback: fix use-after-free in __mark_inode_dirty() {CVE-2025-39866}
• usb: core: config: Prevent OOB read in SS endpoint companion parsing {CVE-2025-39760}
• crypto: lzo - Fix compression buffer overrun {CVE-2025-38068}
• KVM: x86: Reset IRTE to host control if new route isn't postable {CVE-2025-37885}
• vhost-scsi: Fix handling of multiple calls to vhost_scsi_set_endpoint {CVE-2025-22083}
• mm:…

In the Linux kernel, the following vulnerability has been resolved:

futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock

When FUTEX_CMP_REQUEUE_PI requeues a non-top waiter that already owns the target PI futex, task_blocks_on_rt_mutex() returns -EDEADLK before setting waiter->task.

The subsequent remove_waiter() in rt_mutex_start_proxy_lock() dereferences the NULL waiter->task, causing a kernel crash.

Add a self-deadlock check for non-top waiters before calling rt_mutex_start_proxy_lock(), analogous to the top-waiter check in futex_lock_pi_atomic().

Upstream kernel version 6.18.39 fixes bugs and vulnerabilities. The kmod, bluez, wireless-regdb, firmware and drakx-installer-images packages have been updated to work with this new kernel.

Root has patched CVE-2026-53166 in the linux package for Root:Debian:12. Multiple fixed versions available.

Root has patched CVE-2026-53166 in the linux package for Root:Debian:13. Multiple fixed versions available.

Root has patched CVE-2026-53166 in the linux package for Root:Ubuntu:24.04. Multiple fixed versions available.