{"schema_version":"1.7.5","id":"SUSE-SU-2026:1131-1","published":"2026-03-27T16:02:21Z","modified":"2026-03-31T17:24:45.650701Z","related":["CVE-2022-49604","CVE-2022-49943","CVE-2022-49980","CVE-2022-50232","CVE-2023-52433","CVE-2023-52923","CVE-2023-53178","CVE-2023-53407","CVE-2023-53412","CVE-2023-53417","CVE-2023-53418","CVE-2024-26581","CVE-2024-26832","CVE-2024-46854","CVE-2024-50143","CVE-2024-54031","CVE-2025-21658","CVE-2025-21738","CVE-2025-21760","CVE-2025-21764","CVE-2025-21765","CVE-2025-21766","CVE-2025-38563","CVE-2025-38565","CVE-2025-38684","CVE-2025-40044","CVE-2025-40139","CVE-2025-40242","CVE-2025-68312","CVE-2025-71066","CVE-2025-71085","CVE-2025-71112","CVE-2026-22999","CVE-2026-23001","CVE-2026-23004","CVE-2026-23054","CVE-2026-23060","CVE-2026-23074","CVE-2026-23089","CVE-2026-23191","CVE-2026-23204","CVE-2026-23209","CVE-2026-23268","CVE-2026-23269"],"upstream":["CVE-2022-49604","CVE-2022-49943","CVE-2022-49980","CVE-2022-50232","CVE-2023-52433","CVE-2023-52923","CVE-2023-53178","CVE-2023-53407","CVE-2023-53412","CVE-2023-53417","CVE-2023-53418","CVE-2024-26581","CVE-2024-26832","CVE-2024-46854","CVE-2024-50143","CVE-2024-54031","CVE-2025-21658","CVE-2025-21738","CVE-2025-21760","CVE-2025-21764","CVE-2025-21765","CVE-2025-21766","CVE-2025-38563","CVE-2025-38565","CVE-2025-38684","CVE-2025-40044","CVE-2025-40139","CVE-2025-40242","CVE-2025-68312","CVE-2025-71066","CVE-2025-71085","CVE-2025-71112","CVE-2026-22999","CVE-2026-23001","CVE-2026-23004","CVE-2026-23054","CVE-2026-23060","CVE-2026-23074","CVE-2026-23089","CVE-2026-23191","CVE-2026-23204","CVE-2026-23209","CVE-2026-23268","CVE-2026-23269"],"summary":"Security update for the Linux Kernel","details":"\nThe SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security issues\n\nThe following security issues were fixed:\n\n- CVE-2024-46854: net: dpaa: Pad packets to ETH_ZLEN (bsc#1231084).\n- CVE-2025-21738: ata: libata-sff: Ensure that we cannot write outside the allocated buffer (bsc#1238917).\n- CVE-2025-40242: gfs2: Fix unlikely race in gdlm_put_lock (bsc#1255075).\n- CVE-2025-68312: usbnet: Prevents free active kevent (bsc#1255171).\n- CVE-2025-71066: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change\n  (bsc#1256645).\n- CVE-2025-71085: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr() (bsc#1256623).\n- CVE-2025-71112: net: hns3: add VLAN id validation before using (bsc#1256726).\n- CVE-2026-22999: net/sched: sch_qfq: do not free existing class in qfq_change_class() (bsc#1257236).\n- CVE-2026-23001: macvlan: fix possible UAF in macvlan_forward_source() (bsc#1257232).\n- CVE-2026-23004: dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list() (bsc#1257231).\n- CVE-2026-23060: crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec (bsc#1257735).\n- CVE-2026-23074: net/sched: Enforce that teql can only be used as root qdisc (bsc#1257749).\n- CVE-2026-23089: ALSA: usb-audio: Fix use-after-free in snd_usb_mixer_free() (bsc#1257790).\n- CVE-2026-23191: ALSA: aloop: Fix racy access at PCM trigger (bsc#1258395).\n- CVE-2026-23204: net: add skb_header_pointer_careful() helper (bsc#1258340).\n- CVE-2026-23209: macvlan: fix error recovery in macvlan_common_newlink() (bsc#1258518).\n- CVE-2026-23268: apparmor: fix unprivileged local user can do privileged policy management (bsc#1258850).\n- CVE-2026-23269: apparmor: validate DFA start states are in bounds in unpack_pdb (bsc#1259857).\n\nThe following non security issues were fixed:\n\n- apparmor: fix differential encoding verification (bsc#1258849).\n- apparmor: Fix double free of ns_name in aa_replace_profiles() (bsc#1258849).\n- apparmor: fix memory leak in verify_header (bsc#1258849).\n- apparmor: fix missing bounds check on DEFAULT table in verify_dfa() (bsc#1258849).\n- apparmor: fix race between freeing data and fs accessing it (bsc#1258849).\n- apparmor: fix race on rawdata dereference (bsc#1258849).\n- apparmor: fix side-effect bug in match_char() macro usage (bsc#1258849).\n- apparmor: fix unprivileged local user can do privileged policy management (bsc#1258849).\n- apparmor: fix: limit the number of levels of policy namespaces (bsc#1258849).\n- apparmor: replace recursive profile removal with iterative approach (bsc#1258849).\n- apparmor: validate DFA start states are in bounds in unpack_pdb (bsc#1258849).\n- net: hv_netvsc: reject RSS hash key programming without RX indirection table (bsc#1257473).\n- net: tcp: allow zero-window ACK update the window (bsc#1254767).\n- net: tcp: send zero-window ACK when no memory (bsc#1254767).\n- scsi: storvsc: Process unsupported MODE_SENSE_10 (bsc#1257296).\n- tcp: correct handling of extreme memory squeeze (bsc#1254767).\n- x86/its: Fix crash during dynamic its initialization (bsc#1257771).\n- x86/modules: Set VM_FLUSH_RESET_PERMS in module_alloc() (bsc#1257771).\n","affected":[{"package":{"name":"kernel-rt","ecosystem":"SUSE:Linux Enterprise Micro 5.3","purl":"pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.21-150400.15.145.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-rt":"5.14.21-150400.15.145.1","kernel-source-rt":"5.14.21-150400.15.145.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:1131-1.json"}},{"package":{"name":"kernel-source-rt","ecosystem":"SUSE:Linux Enterprise Micro 5.3","purl":"pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.21-150400.15.145.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-rt":"5.14.21-150400.15.145.1","kernel-source-rt":"5.14.21-150400.15.145.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:1131-1.json"}},{"package":{"name":"kernel-rt","ecosystem":"SUSE:Linux Enterprise Micro 5.4","purl":"pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.21-150400.15.145.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-rt":"5.14.21-150400.15.145.1","kernel-source-rt":"5.14.21-150400.15.145.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:1131-1.json"}},{"package":{"name":"kernel-source-rt","ecosystem":"SUSE:Linux Enterprise Micro 5.4","purl":"pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.21-150400.15.145.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-rt":"5.14.21-150400.15.145.1","kernel-source-rt":"5.14.21-150400.15.145.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:1131-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20261131-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1220137"},{"type":"REPORT","url":"https://bugzilla.suse.com/1220144"},{"type":"REPORT","url":"https://bugzilla.suse.com/1223007"},{"type":"REPORT","url":"https://bugzilla.suse.com/1231084"},{"type":"REPORT","url":"https://bugzilla.suse.com/1233038"},{"type":"REPORT","url":"https://bugzilla.suse.com/1235905"},{"type":"REPORT","url":"https://bugzilla.suse.com/1236104"},{"type":"REPORT","url":"https://bugzilla.suse.com/1236208"},{"type":"REPORT","url":"https://bugzilla.suse.com/1237885"},{"type":"REPORT","url":"https://bugzilla.suse.com/1237906"},{"type":"REPORT","url":"https://bugzilla.suse.com/1238414"},{"type":"REPORT","url":"https://bugzilla.suse.com/1238754"},{"type":"REPORT","url":"https://bugzilla.suse.com/1238763"},{"type":"REPORT","url":"https://bugzilla.suse.com/1238917"},{"type":"REPORT","url":"https://bugzilla.suse.com/1244758"},{"type":"REPORT","url":"https://bugzilla.suse.com/1244904"},{"type":"REPORT","url":"https://bugzilla.suse.com/1245110"},{"type":"REPORT","url":"https://bugzilla.suse.com/1248306"},{"type":"REPORT","url":"https://bugzilla.suse.com/1248377"},{"type":"REPORT","url":"https://bugzilla.suse.com/1249156"},{"type":"REPORT","url":"https://bugzilla.suse.com/1249158"},{"type":"REPORT","url":"https://bugzilla.suse.com/1249827"},{"type":"REPORT","url":"https://bugzilla.suse.com/1252785"},{"type":"REPORT","url":"https://bugzilla.suse.com/1253028"},{"type":"REPORT","url":"https://bugzilla.suse.com/1253409"},{"type":"REPORT","url":"https://bugzilla.suse.com/1254462"},{"type":"REPORT","url":"https://bugzilla.suse.com/1254463"},{"type":"REPORT","url":"https://bugzilla.suse.com/1254464"},{"type":"REPORT","url":"https://bugzilla.suse.com/1254767"},{"type":"REPORT","url":"https://bugzilla.suse.com/1255075"},{"type":"REPORT","url":"https://bugzilla.suse.com/1255171"},{"type":"REPORT","url":"https://bugzilla.suse.com/1256623"},{"type":"REPORT","url":"https://bugzilla.suse.com/1256645"},{"type":"REPORT","url":"https://bugzilla.suse.com/1256726"},{"type":"REPORT","url":"https://bugzilla.suse.com/1256792"},{"type":"REPORT","url":"https://bugzilla.suse.com/1257231"},{"type":"REPORT","url":"https://bugzilla.suse.com/1257232"},{"type":"REPORT","url":"https://bugzilla.suse.com/1257236"},{"type":"REPORT","url":"https://bugzilla.suse.com/1257296"},{"type":"REPORT","url":"https://bugzilla.suse.com/1257473"},{"type":"REPORT","url":"https://bugzilla.suse.com/1257732"},{"type":"REPORT","url":"https://bugzilla.suse.com/1257735"},{"type":"REPORT","url":"https://bugzilla.suse.com/1257749"},{"type":"REPORT","url":"https://bugzilla.suse.com/1257771"},{"type":"REPORT","url":"https://bugzilla.suse.com/1257790"},{"type":"REPORT","url":"https://bugzilla.suse.com/1258340"},{"type":"REPORT","url":"https://bugzilla.suse.com/1258395"},{"type":"REPORT","url":"https://bugzilla.suse.com/1258518"},{"type":"REPORT","url":"https://bugzilla.suse.com/1258849"},{"type":"REPORT","url":"https://bugzilla.suse.com/1258850"},{"type":"REPORT","url":"https://bugzilla.suse.com/1259857"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2022-49604"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2022-49943"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2022-49980"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2022-50232"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-52433"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-52923"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-53178"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-53407"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-53412"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-53417"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-53418"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2024-26581"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2024-26832"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2024-46854"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2024-50143"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2024-54031"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-21658"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-21738"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-21760"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-21764"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-21765"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-21766"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-38563"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-38565"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-38684"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-40044"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-40139"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-40242"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-68312"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-71066"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-71085"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-71112"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-22999"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-23001"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-23004"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-23054"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-23060"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-23074"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-23089"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-23191"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-23204"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-23209"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-23268"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-23269"}]}