SUSE-SU-2026:23532-1

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SUSE-SU-2026:23532-1

Summary: Security update for the Linux Kernel (Live Patch 22 for SUSE Linux Enterprise Micro 6.0)

Details: This update for the SUSE Linux Enterprise Kernel 6.4.0-45.1 fixes various security issues: The following security issues were fixed: - CVE-2026-23240: tls: Fix race condition in tls_sw_cancel_work_tx() (bsc#1262404). - CVE-2026-23449: net/sched: teql: Fix double-free in teql_master_xmit (bsc#1262213). - CVE-2026-31629: nfc: llcp: add missing return after LLCP_CLOSED checks (bsc#1263791). - CVE-2026-43077: crypto: algif_aead - Fix minimum RX size check for decryption (bsc#1265306). - CVE-2026-43109: x86: shadow stacks: proper error handling for mmap lock (bsc#1269282). - CVE-2026-43110: wifi: brcmfmac: validate bsscfg indices in IF events (bsc#1264483). - CVE-2026-46037: ipv4: icmp: validate reply type before using icmp_pointers (bsc#1267362). - CVE-2026-46242: eventpoll: fix ep_remove struct eventpoll / struct file UAF (bsc#1270300). - CVE-2026-46319: net/sched: act_ct: Only release RCU read lock after ct_ft (bsc#1268281). - CVE-2026-52923: ipc: limit next_id allocation to the valid ID range (bsc#1269034). - CVE-2026-52956: libceph: Fix potential out-of-bounds access in __ceph_x_decrypt() (bsc#1272139). - CVE-2026-52972: crypto: af_alg - Cap AEAD AD length to 0x80000000 (bsc#1269196). - CVE-2026-53133: RDMA/umem: Fix truncation for block sizes >= 4G (bsc#1269822). - CVE-2026-53182: wifi: nl80211: reject oversized EMA RNR lists (bsc#1269885). - CVE-2026-53224: sctp: validate embedded INIT chunk and address list lengths in cookie (bsc#1270023). - CVE-2026-53246: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing (bsc#1270024). - CVE-2026-64530: net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_hand (bsc#1271867). - CVE-2026-64600: xfs: resample the data fork mapping after cycling ILOCK (RefluXFS) (bsc#1271543).

References: https://www.suse.com/support/update/announcement/2026/suse-su-202623532-1/, https://bugzilla.suse.com/1262213, https://bugzilla.suse.com/1262404, https://bugzilla.suse.com/1263791, https://bugzilla.suse.com/1264483, https://bugzilla.suse.com/1265306, https://bugzilla.suse.com/1267362, https://bugzilla.suse.com/1268281, https://bugzilla.suse.com/1269034, https://bugzilla.suse.com/1269196, https://bugzilla.suse.com/1269282, https://bugzilla.suse.com/1269822, https://bugzilla.suse.com/1269885, https://bugzilla.suse.com/1270023, https://bugzilla.suse.com/1270024, https://bugzilla.suse.com/1270300, https://bugzilla.suse.com/1271543, https://bugzilla.suse.com/1271867, https://bugzilla.suse.com/1272139, https://www.suse.com/security/cve/CVE-2026-23240, https://www.suse.com/security/cve/CVE-2026-23449, https://www.suse.com/security/cve/CVE-2026-31629, https://www.suse.com/security/cve/CVE-2026-43077, https://www.suse.com/security/cve/CVE-2026-43109, https://www.suse.com/security/cve/CVE-2026-43110, https://www.suse.com/security/cve/CVE-2026-46037, https://www.suse.com/security/cve/CVE-2026-46242, https://www.suse.com/security/cve/CVE-2026-46319, https://www.suse.com/security/cve/CVE-2026-52923, https://www.suse.com/security/cve/CVE-2026-52956, https://www.suse.com/security/cve/CVE-2026-52972, https://www.suse.com/security/cve/CVE-2026-53133, https://www.suse.com/security/cve/CVE-2026-53182, https://www.suse.com/security/cve/CVE-2026-53224, https://www.suse.com/security/cve/CVE-2026-53246, https://www.suse.com/security/cve/CVE-2026-64530, https://www.suse.com/security/cve/CVE-2026-64600