SUSE-SU-2026:23541-1

    Dashboard / Vulnerabilities / SUSE-SU-2026:23541-1

    SUSE-SU-2026:23541-1

    Published: 8 Sept 2026Last Modified: 15 Sept 2026

    Summary: Security update for the Linux Kernel RT (Live Patch 14 for SUSE Linux Enterprise Micro 6.0)

    Details: This update for the SUSE Linux Enterprise Kernel 6.4.0-38.1 fixes various security issues: The following security issues were fixed: - CVE-2025-40204: sctp: Fix MAC comparison to be constant-time (bsc#1253437). - 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-2026-31759: usb: ulpi: fix double free in ulpi_register_interface() error path (bsc#1264078). - 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-2026-43206: drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set() (bsc#1266668). - 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-2026-46274: io-wq: check that the predecessor is hashed in io_wq_remove_pending() (bsc#1268624). - 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-202623541-1/, https://bugzilla.suse.com/1253437, https://bugzilla.suse.com/1262213, https://bugzilla.suse.com/1262404, https://bugzilla.suse.com/1263791, https://bugzilla.suse.com/1264078, https://bugzilla.suse.com/1264483, https://bugzilla.suse.com/1265306, https://bugzilla.suse.com/1266668, https://bugzilla.suse.com/1267362, https://bugzilla.suse.com/1268281, https://bugzilla.suse.com/1268624, 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-2025-40204, 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-2026-31759, 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-2026-43206, 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-2026-46274, 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

    Affected packages

    Package

    Name: kernel-livepatch-MICRO-6-0-RT_Update_14

    Purl: pkg:rpm/suse/kernel-livepatch-MICRO-6-0-RT_Update_14&distro=SUSE%20Linux%20Micro%206.1

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -11-1.1

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    SUSE-SU-2026:23541-1 | CVE-DB