SUSE-SU-2026:0411-1: Security update for the Linux Kernel

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_handler() (bsc#1254751). - CVE-2023-54142: gtp: Fix use-after-free in __gtp_encap_destroy() (bsc#1256095). - CVE-2023-54243: netfilter: ebtables: fix table blob use-after-free (bsc#1255908). - CVE-2024-28956: x86/its: Enumerate Indirect Target Selection (ITS) bug (bsc#1242006). - CVE-2024-36348: x86/bugs: Add a Transient Scheduler Attacks mitigation (bsc#1238896). - CVE-2024-36349: x86/bugs: Add a Transient Scheduler Attacks mitigation (bsc#1238896). - CVE-2024-36350: x86/bugs: Add a Transient Scheduler Attacks mitigation (bsc#1238896). - CVE-2024-36357: x86/bugs: Add a Transient Scheduler Attacks mitigation (bsc#1238896). - CVE-2024-44987: ipv6: prevent UAF in ip6_send_skb() (bsc#1230185). - CVE-2025-38068: crypto: lzo - Fix compression buffer overrun (bsc#1245210). - CVE-2025-38129: page_pool: fix inconsistency for page_pool_ring_lock() (bsc#1245723). - CVE-2025-38159: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds (bsc#1245751). - CVE-2025-38375: virtio-net: ensure the received length does not exceed allocated size (bsc#1247177). - CVE-2025-39977: futex: Prevent use-after-free during requeue-PI (bsc#1252046). - CVE-2025-40019: crypto: essiv - Check ssize for decryption and in-place encryption (bsc#1252678). - CVE-2025-40139: net: ipv4: Consolidate ipv4_mtu and ip_dst_mtu_maybe_forward (bsc#1253409). - CVE-2025-40215: kABI: xfrm: delete x->tunnel as we delete x (bsc#1254959). - CVE-2025-40220: fuse: fix livelock in synchronous file put from fuseblk workers (bsc#1254520). - CVE-2025-40233: ocfs2: clear extent cache after moving/defragmenting extents (bsc#1254813). - CVE-2025-40257: mptcp: fix a race in mptcp_pm_del_add_timer() (bsc#1254842). - CVE-2025-40258: mptcp: fix race condition in mptcp_schedule_work() (bsc#1254843). - CVE-2025-40277: drm/vmwgfx: Validate command header size against (bsc#1254894). - CVE-2025-40280: tipc: Fix use-after-free in tipc_mon_reinit_self() (bsc#1254847). - CVE-2025-40300: Documentation/hw-vuln: Add VMSCAPE documentation (bsc#1247483). - CVE-2025-40331: sctp: Prevent TOCTOU out-of-bounds write (bsc#1254615). - CVE-2025-68183: ima: don't clear IMA_DIGSIG flag when setting or removing non-IMA xattr (bsc#1255251). - CVE-2025-68284: libceph: prevent potential out-of-bounds writes in handle_auth_session_key() (bsc#1255377). - CVE-2025-68285: libceph: fix potential use-after-free in have_mon_and_osd_map() (bsc#1255401). - CVE-2025-68732: gpu: host1x: Fix race in syncpt alloc/free (bsc#1255688). - CVE-2025-68771: ocfs2: fix kernel BUG in ocfs2_find_victim_chain (bsc#1256582). - CVE-2025-68813: ipvs: fix ipv4 null-ptr-deref in route error path (bsc#1256641). - CVE-2025-71089: iommu: disable SVA when CONFIG_X86 is set (bsc#1256612). - CVE-2025-71116: libceph: make decode_pool() more resilient against corrupted osdmaps (bsc#1256744). - CVE-2025-71120: SUNRPC: svcauth_gss: avoid NULL deref on zero length gss_token in gss_read_proxy_verf (bsc#1256779). The following non security issues were fixed: - x86/CPU/AMD: Add ZenX generations flags (bsc#1238896). - x86: make page fault handling disable interrupts properly (git-fixes).

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