{"id":"SUSE-SU-2026:3754-1","summary":"Security update for the Linux Kernel (Live Patch 4 for SUSE Linux Enterprise 15 SP7)","details":"\nThis update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.16 fixes various security issues:\n\nThe following security issues were fixed:\n\n- CVE-2025-40204,CVE-2026-53224,CVE-2026-53246: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing\n  (bsc#1253437 bsc#1270023 bsc#1270024).\n- CVE-2025-40204: sctp: Fix MAC comparison to be constant-time (bsc#1253437).\n- CVE-2026-23240: Amend fix for CVE-2026-23240 ('tls: Fix race condition in tls_sw_cancel_work_tx()') (bsc#1262404).\n- CVE-2026-23449: net/sched: teql: Fix double-free in teql_master_xmit (bsc#1262213).\n- CVE-2026-31629: nfc: llcp: add missing return after LLCP_CLOSED checks (bsc#1263791).\n- CVE-2026-31759: usb: ulpi: fix double free in ulpi_register_interface() error path (bsc#1264078).\n- CVE-2026-43077: crypto: algif_aead - Fix minimum RX size check for decryption (bsc#1265306).\n- CVE-2026-43109: x86: shadow stacks: proper error handling for mmap lock (bsc#1269282).\n- CVE-2026-43110: wifi: brcmfmac: validate bsscfg indices in IF events (bsc#1264483).\n- CVE-2026-43206: drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set() (bsc#1266668).\n- CVE-2026-46037: ipv4: icmp: validate reply type before using icmp_pointers (bsc#1267362).\n- CVE-2026-46242: eventpoll: fix ep_remove struct eventpoll / struct file UAF (bsc#1270300).\n- CVE-2026-46274: io-wq: check that the predecessor is hashed in io_wq_remove_pending() (bsc#1268624).\n- CVE-2026-46319: net/sched: act_ct: Only release RCU read lock after ct_ft (bsc#1268281).\n- CVE-2026-52923: ipc: limit next_id allocation to the valid ID range (bsc#1269034).\n- CVE-2026-52956: libceph: Fix potential out-of-bounds access in __ceph_x_decrypt() (bsc#1272139).\n- CVE-2026-52972: crypto: af_alg - Cap AEAD AD length to 0x80000000 (bsc#1269196).\n- CVE-2026-53133: RDMA/umem: Fix truncation for block sizes \u003e= 4G (bsc#1269822).\n- CVE-2026-53182: wifi: nl80211: reject oversized EMA RNR lists (bsc#1269885).\n- CVE-2026-64530: net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_hand (bsc#1271867).\n- CVE-2026-64600: xfs: resample the data fork mapping after cycling ILOCK (RefluXFS) (bsc#1271543).\n","modified":"2026-08-26T10:15:06.275166845Z","published":"2026-08-24T14:04:12Z","related":["CVE-2025-40204","CVE-2026-23240","CVE-2026-23449","CVE-2026-31629","CVE-2026-31759","CVE-2026-43077","CVE-2026-43109","CVE-2026-43110","CVE-2026-43206","CVE-2026-46037","CVE-2026-46242","CVE-2026-46274","CVE-2026-46319","CVE-2026-52923","CVE-2026-52956","CVE-2026-52972","CVE-2026-53133","CVE-2026-53182","CVE-2026-53224","CVE-2026-53246","CVE-2026-64530","CVE-2026-64600"],"upstream":["CVE-2025-40204","CVE-2026-23240","CVE-2026-23449","CVE-2026-31629","CVE-2026-31759","CVE-2026-43077","CVE-2026-43109","CVE-2026-43110","CVE-2026-43206","CVE-2026-46037","CVE-2026-46242","CVE-2026-46274","CVE-2026-46319","CVE-2026-52923","CVE-2026-52956","CVE-2026-52972","CVE-2026-53133","CVE-2026-53182","CVE-2026-53224","CVE-2026-53246","CVE-2026-64530","CVE-2026-64600"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20263754-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1253437"},{"type":"REPORT","url":"https://bugzilla.suse.com/1262213"},{"type":"REPORT","url":"https://bugzilla.suse.com/1262404"},{"type":"REPORT","url":"https://bugzilla.suse.com/1263791"},{"type":"REPORT","url":"https://bugzilla.suse.com/1264078"},{"type":"REPORT","url":"https://bugzilla.suse.com/1264483"},{"type":"REPORT","url":"https://bugzilla.suse.com/1265306"},{"type":"REPORT","url":"https://bugzilla.suse.com/1266668"},{"type":"REPORT","url":"https://bugzilla.suse.com/1267362"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268281"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268624"},{"type":"REPORT","url":"https://bugzilla.suse.com/1269034"},{"type":"REPORT","url":"https://bugzilla.suse.com/1269196"},{"type":"REPORT","url":"https://bugzilla.suse.com/1269282"},{"type":"REPORT","url":"https://bugzilla.suse.com/1269822"},{"type":"REPORT","url":"https://bugzilla.suse.com/1269885"},{"type":"REPORT","url":"https://bugzilla.suse.com/1270023"},{"type":"REPORT","url":"https://bugzilla.suse.com/1270024"},{"type":"REPORT","url":"https://bugzilla.suse.com/1270300"},{"type":"REPORT","url":"https://bugzilla.suse.com/1271543"},{"type":"REPORT","url":"https://bugzilla.suse.com/1271867"},{"type":"REPORT","url":"https://bugzilla.suse.com/1272139"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-40204"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-23240"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-23449"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-31629"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-31759"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-43077"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-43109"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-43110"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-43206"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-46037"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-46242"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-46274"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-46319"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-52923"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-52956"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-52972"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-53133"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-53182"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-53224"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-53246"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-64530"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-64600"}],"affected":[{"package":{"name":"kernel-livepatch-SLE15-SP6_Update_15","ecosystem":"SUSE:Linux Enterprise Live Patching 15 SP6","purl":"pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_15&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16-150600.2.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-livepatch-6_4_0-150600_23_70-default":"16-150600.2.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:3754-1.json"}},{"package":{"name":"kernel-livepatch-SLE15-SP7_Update_4","ecosystem":"SUSE:Linux Enterprise Live Patching 15 SP7","purl":"pkg:rpm/suse/kernel-livepatch-SLE15-SP7_Update_4&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16-150700.2.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-livepatch-6_4_0-150700_53_16-default":"16-150700.2.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:3754-1.json"}}],"schema_version":"1.9.0"}