The SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security issues:
The following security issues were fixed:
- CVE-2022-4994: KVM: x86: wean fast IN from emulator_pio_in (bsc#1273097).
- CVE-2023-53995: net: ipv4: fix one memleak in __inet_del_ifa() (bsc#1255616).
- CVE-2026-46052: ceph: only d_add() negative dentries when they are unhashed (bsc#1267494).
- CVE-2026-46056: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (bsc#1267435).
- CVE-2026-46145: RDMA/mana: Validate rx_hash_key_len (bsc#1267715).
- CVE-2026-46193: xfrm: ah: account for ESN high bits in async callbacks (bsc#1267656).
- CVE-2026-5295
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security issues
The following security issues were fixed:
- CVE-2026-31771: Bluetooth: Ignore HCI_ERROR_CANCELLED_BY_HOST on adv set terminated event (bsc#1264145).
- CVE-2026-43038: ipv6: icmp: clear skb2->cb in ip6_err_gen_icmpv6_unreach() (bsc#1264097).
- CVE-2026-46090: ALSA: aloop: Fix peer runtime UAF during format-change stop (bsc#1267531).
- CVE-2026-46173: exit: prevent preemption of oopsing TASK_DEAD task (bsc#1267722).
- CVE-2026-46229: drm/amdkfd: Clear VRAM on allocation to prevent stale data exposure (bsc#1267567).
- CVE-2026-46253: pstore/ram: fix buffer o
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security issues
The following security issues were fixed:
- CVE-2025-10263: arm64: errata: Mitigate TLBI errata on various Arm CPUs (bsc#1266290).
- CVE-2025-68324: scsi: imm: Fix use-after-free bug caused by unfinished delayed work (bsc#1255416).
- CVE-2026-23392: netfilter: nf_tables: release flowtable after rcu grace period on error (bsc#1260531).
- CVE-2026-31473: media: mc, v4l2: serialize REINIT and REQBUFS with req_queue_mutex (bsc#1262663).
- CVE-2026-31500: Bluetooth: btintel: serialize btintel_hw_error() with hci_req_sync_lock (bsc#1262993).
- CVE-2026-31613: s
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security issues
The following security issues were fixed:
- CVE-2026-31405: media: dvb-net: fix OOB access in ULE extension header tables (bsc#1261700).
- CVE-2026-31629: nfc: llcp: add missing return after LLCP_CLOSED checks (bsc#1263790).
- CVE-2026-31758: usb: usbtmc: Flush anchored URBs in usbtmc_release (bsc#1264093).
- CVE-2026-43037: ip6_tunnel: clear skb2->cb in ip4ip6_err() (bsc#1263995).
- CVE-2026-43206: drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set() (bsc#1264551).
- CVE-2026-43499: rtmutex: Use waiter::task instead of current in remove_waiter() (
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes.
The following security bugs were fixed:
- CVE-2025-38234: sched/rt: Fix race in push_rt_task (bsc#1246057).
- CVE-2025-68818: scsi: Revert 'scsi: qla2xxx: Perform lockless command completion in abort path' (bsc#1256675).
- CVE-2026-23103: ipvlan: Make the addrs_lock be per port (bsc#1257773).
- CVE-2026-23243: RDMA/umad: Reject negative data_len in ib_umad_write (bsc#1259797).
- CVE-2026-23272: netfilter: nf_tables: unconditionally bump set->nelems before insertion (bsc#1260009).
- CVE-2026-23274: netfilter: xt_IDLETIMER: reject rev0 reuse of ALARM
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security issues
The following security issues were fixed:
- CVE-2024-46854: net: dpaa: Pad packets to ETH_ZLEN (bsc#1231084).
- CVE-2025-21738: ata: libata-sff: Ensure that we cannot write outside the allocated buffer (bsc#1238917).
- CVE-2025-40242: gfs2: Fix unlikely race in gdlm_put_lock (bsc#1255075).
- CVE-2025-68312: usbnet: Prevents free active kevent (bsc#1255171).
- CVE-2025-71066: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change
(bsc#1256645).
- CVE-2025-71085: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security issues
The following security issues were fixed:
- CVE-2022-50630: mm: hugetlb: fix UAF in hugetlb_handle_userfault (bsc#1254785).
- CVE-2022-50697: mrp: introduce active flags to prevent UAF when applicant uninit (bsc#1255594).
- CVE-2022-50700: wifi: ath10k: Delay the unmapping of the buffer (bsc#1255576).
- CVE-2023-53215: sched/fair: Don't balance task to its current running CPU (bsc#1250397).
- CVE-2023-53254: cacheinfo: Fix shared_cpu_map to handle shared caches at different levels (bsc#1249871).
- CVE-2023-53781: smc: Fix use-after-free in tcp_write_timer
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes.
The following security bugs were fixed:
- CVE-2022-50280: pnode: terminate at peers of source (bsc#1249806).
- CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() (bsc#1251786).
- CVE-2025-39967: fbcon: fix integer overflow in fbcon_do_set_font (bsc#1252033).
- CVE-2025-40040: mm/ksm: fix flag-dropping behavior in ksm_madvise (bsc#1252780).
- CVE-2025-40048: uio_hv_generic: Let userspace take care of interrupt mask (bsc#1252862).
- CVE-2025-40121: ASoC: Intel: bytcr_rt5651: Fix invalid quirk input mapping (bsc#12
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security issues
The following security issues were fixed:
- CVE-2022-50327: ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value (bsc#1249859).
- CVE-2022-50334: hugetlbfs: fix null-ptr-deref in hugetlbfs_parse_param() (bsc#1249857).
- CVE-2022-50490: bpf: Propagate error from htab_lock_bucket() to userspace (bsc#1251164).
- CVE-2022-50516: fs: dlm: fix invalid derefence of sb_lvbptr (bsc#1251741).
- CVE-2023-53365: ip6mr: Fix skb_under_panic in ip6mr_cache_report() (bsc#1249988).
- CVE-2023-53500: xfrm: fix slab-use-after-free in decode_session6 (bsc#1250816)
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes.
The following security bugs were fixed:
- CVE-2022-49980: USB: gadget: fix use-after-free read in usb_udc_uevent() (bsc#1245110).
- CVE-2022-50233: Bluetooth: eir: Fix using strlen with hdev->{dev_name,short_name} (bsc#1246968).
- CVE-2022-50252: igb: Do not free q_vector unless new one was allocated (bsc#1249846).
- CVE-2022-50409: net: If sock is dead do not access sock's sk_wq in sk_stream_wait_memory (bsc#1250392).
- CVE-2023-53178: mm: fix zswap writeback race condition (bsc#1249827).
- CVE-2023-53321: wifi: mac80211_hwsim: drop short frames
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes.
The following security bugs were fixed:
- CVE-2022-50116: kernel: tty: n_gsm: fix deadlock and link starvation in outgoing data path (bsc#1244824).
- CVE-2024-53177: smb: prevent use-after-free due to open_cached_dir error paths (bsc#1234896).
- CVE-2024-58239: tls: stop recv() if initial process_rx_list gave us non-DATA (bsc#1248614).
- CVE-2025-38180: net: atm: fix /proc/net/atm/lec handling (bsc#1245970).
- CVE-2025-38323: net: atm: add lec_mutex (bsc#1246473).
- CVE-2025-38352: posix-cpu-timers: fix race between handle_posix_cpu_timers() and po
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes.
The following security bugs were fixed:
- CVE-2022-49138: Bluetooth: hci_event: Fix checking conn for le_conn_complete_evt (bsc#1238160).
- CVE-2023-52923: netfilter: nf_tables: split async and sync catchall in two functions (bsc#1236104).
- CVE-2023-52927: netfilter: allow exp not to be removed in nf_ct_find_expectation (bsc#1239644).
- CVE-2023-53117: fs: prevent out-of-bounds array speculation when closing a file descriptor (bsc#1242780).
- CVE-2024-26643: Fixed mark set as dead when unbinding anonymous set with timeout (bsc#1221829).
- CVE-202
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes.
The following security bugs were fixed:
- CVE-2021-47557: net/sched: sch_ets: do not peek at classes beyond 'nbands' (bsc#1207361 bsc#1225468).
- CVE-2021-47595: net/sched: sch_ets: do not remove idle classes from the round-robin list (bsc#1207361 bsc#1226552).
- CVE-2023-52924: netfilter: nf_tables: do not skip expired elements during walk (bsc#1236821).
- CVE-2023-52925: netfilter: nf_tables: do not fail inserts if duplicate has expired (bsc#1236822).
- CVE-2024-26808: netfilter: nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basech
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes.
The following security bugs were fixed:
- CVE-2022-49110: netfilter: conntrack: revisit gc autotuning (bsc#1237981).
- CVE-2022-49139: Bluetooth: fix null ptr deref on hci_sync_conn_complete_evt (bsc#1238032).
- CVE-2022-49767: 9p/trans_fd: always use O_NONBLOCK read/write (bsc#1242493).
- CVE-2022-49775: tcp: cdg: allow tcp_cdg_release() to be called multiple times (bsc#1242245).
- CVE-2024-53168: net: make sock_inuse_add() available (bsc#1234887).
- CVE-2024-56558: nfsd: make sure exp active before svc_export_show (bsc#1235100).
- CVE-2025-21888
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes.
The following security bugs were fixed:
- CVE-2025-21726: padata: avoid UAF for reorder_work (bsc#1238865).
- CVE-2025-21785: arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array (bsc#1238747).
- CVE-2025-21791: vrf: use RCU protection in l3mdev_l3_out() (bsc#1238512).
- CVE-2025-21812: ax25: rcu protect dev->ax25_ptr (bsc#1238471).
- CVE-2025-22004: net: atm: fix use after free in lec_send() (bsc#1240835).
- CVE-2025-22020: memstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove (bsc#1241280).
- CVE-2025-22029: exec: fi
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes.
The following security bugs were fixed:
- CVE-2022-49053: scsi: target: tcmu: Fix possible page UAF (bsc#1237918).
- CVE-2022-49465: blk-throttle: Set BIO_THROTTLED when bio has been throttled (bsc#1238919).
- CVE-2022-49739: gfs2: Always check inode size of inline inodes (bsc#1240207).
- CVE-2023-52935: mm/khugepaged: fix ->anon_vma race (bsc#1240276).
- CVE-2024-2201: Fixed information leak in x86/BHI (bsc#1217339).
- CVE-2024-41092: drm/i915/gt: Fix potential UAF by revoke of fence registers (bsc#1228483).
- CVE-2024-42098: crypto: ecdh - explic
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes.
The following security bugs were fixed:
- CVE-2022-49080: mm/mempolicy: fix mpol_new leak in shared_policy_replace (bsc#1238033).
- CVE-2024-35949: btrfs: make sure that WRITTEN is set on all metadata blocks (bsc#1224700).
- CVE-2024-50128: net: wwan: fix global oob in wwan_rtnl_policy (bsc#1232905).
- CVE-2024-53135: KVM: VMX: Bury Intel PT virtualization (guest/host mode) behind CONFIG_BROKEN (bsc#1234154).
- CVE-2024-57948: mac802154: check local interfaces before deleting sdata list (bsc#1236677).
- CVE-2025-21690: scsi: storvsc: Ratelimit war
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes.
The following security bugs were fixed:
- CVE-2024-50199: mm/swapfile: skip HugeTLB pages for unuse_vma (bsc#1233112).
- CVE-2024-53104: media: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_parse_format (bsc#1234025).
- CVE-2024-53166: block, bfq: fix bfqq uaf in bfq_limit_depth() (bsc#1234884).
- CVE-2024-53177: smb: prevent use-after-free due to open_cached_dir error paths (bsc#1234896).
- CVE-2024-56600: net: inet6: do not leave a dangling sk pointer in inet6_create() (bsc#1235217).
- CVE-2024-56601: net: inet: do not leave a dan