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SUSE-SU-2026:1077-1

SUSE-SU-2026:1077-1 · Security update for the Linux Kernel

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The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix various security issues The following security issues were fixed: - 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-2025-71066: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change (bsc#1256645). - CVE-2026-23004: dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list() (bsc#1257231). - CVE-2026-23060: crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec (bsc#1257735). - CVE-2026-23074: net/sched: Enforce that teql can only be used as root qdisc (bsc#1257749). - CVE-2026-23089: ALSA: usb-audio: Fix use-after-free in snd_usb_mixer_free() (bsc#1257790). - CVE-2026-23191: ALSA: aloop: Fix racy access at PCM trigger (bsc#1258395). - CVE-2026-23204: net: add skb_header_pointer_careful() helper (bsc#1258340). - CVE-2026-23209: macvlan: fix error recovery in macvlan_common_newlink() (bsc#1258518). - CVE-2026-23268: apparmor: fix unprivileged local user can do privileged policy management (bsc#1258850). - CVE-2026-23269: apparmor: validate DFA start states are in bounds in unpack_pdb (bsc#1259857). The following non security issues were fixed: - apparmor: fix differential encoding verification (bsc#1258849). - apparmor: Fix double free of ns_name in aa_replace_profiles() (bsc#1258849). - apparmor: fix memory leak in verify_header (bsc#1258849). - apparmor: fix missing bounds check on DEFAULT table in verify_dfa() (bsc#1258849). - apparmor: fix race between freeing data and fs accessing it (bsc#1258849). - apparmor: fix race on rawdata dereference (bsc#1258849). - apparmor: fix side-effect bug in match_char() macro usage (bsc#1258849). - apparmor: fix unprivileged local user can do privileged policy management (bsc#1258849). - apparmor: fix: limit the number of levels of policy namespaces (bsc#1258849). - apparmor: replace recursive profile removal with iterative approach (bsc#1258849). - apparmor: validate DFA start states are in bounds in unpack_pdb (bsc#1258849).

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Produits et versions concernés

  • kernel-rt SUSE:Linux Enterprise Micro 5.5

    Plages de versions concernées
    • ECOSYSTEM: < 5.14.21-150500.13.124.1

    Mettez à jour vers 5.14.21-150500.13.124.1

  • kernel-source-rt SUSE:Linux Enterprise Micro 5.5

    Plages de versions concernées
    • ECOSYSTEM: < 5.14.21-150500.13.124.1

    Mettez à jour vers 5.14.21-150500.13.124.1

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