SUSE-SU-2026:3723-1: important: Security update for the Linux Kernel (Live Patch 74 for SUSE Linux Enterprise 12 SP5)
SLE-SECURITY-UPDATES
null at suse.de
Mon Aug 24 17:40:19 UTC 2026
# Security update for the Linux Kernel (Live Patch 74 for SUSE Linux Enterprise
12 SP5)
Announcement ID: SUSE-SU-2026:3723-1
Release Date: 2026-08-24T10:35:17Z
Rating: important
References:
* bsc#1253437
* bsc#1262213
* bsc#1263791
* bsc#1264078
* bsc#1265306
* bsc#1266668
* bsc#1267625
* bsc#1269034
* bsc#1269196
* bsc#1269284
* bsc#1270023
* bsc#1270024
* bsc#1271543
* bsc#1272139
Cross-References:
* CVE-2023-53995
* CVE-2025-40204
* CVE-2026-23449
* CVE-2026-31629
* CVE-2026-31759
* CVE-2026-43077
* CVE-2026-43206
* CVE-2026-46331
* CVE-2026-52923
* CVE-2026-52956
* CVE-2026-52972
* CVE-2026-53224
* CVE-2026-53246
* CVE-2026-64600
CVSS scores:
* CVE-2023-53995 ( SUSE ): 7.3
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2023-53995 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-40204 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
* CVE-2025-40204 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
* CVE-2025-40204 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-23449 ( SUSE ): 7.3
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2026-23449 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-23449 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-31629 ( SUSE ): 8.7
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2026-31629 ( SUSE ): 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-31629 ( NVD ): 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-31759 ( SUSE ): 6.9
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2026-31759 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
* CVE-2026-31759 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-43077 ( SUSE ): 7.3
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2026-43077 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-43077 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-43206 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-43206 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-46331 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
* CVE-2026-46331 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-46331 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-52923 ( SUSE ): 8.5
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2026-52923 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-52923 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-52923 ( NVD ): 5.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
* CVE-2026-52956 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-52956 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-52972 ( SUSE ): 8.5
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2026-52972 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-52972 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-52972 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-53224 ( SUSE ): 7.3
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2026-53224 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-53224 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
* CVE-2026-53246 ( SUSE ): 8.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
* CVE-2026-53246 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
* CVE-2026-53246 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-64600 ( SUSE ): 8.8
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
* CVE-2026-64600 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
* CVE-2026-64600 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
* SUSE Linux Enterprise High Performance Computing 12 SP5
* SUSE Linux Enterprise Live Patching 12-SP5
* SUSE Linux Enterprise Server 12 SP5
* SUSE Linux Enterprise Server for SAP Applications 12 SP5
An update that solves 14 vulnerabilities can now be installed.
## Description:
This update for the SUSE Linux Enterprise Kernel 4.12.14-122.280 fixes various
security issues:
The following security issues were fixed:
* CVE-2023-53995: net: ipv4: fix one memleak in __inet_del_ifa()
(bsc#1269284).
* CVE-2025-40204,CVE-2026-53224,CVE-2026-53246: sctp: validate cached peer
INIT chunk length in COOKIE_ECHO processing (bsc#1253437 bsc#1270023
bsc#1270024).
* CVE-2025-40204: sctp: Fix MAC comparison to be constant-time (bsc#1253437).
* 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-2026-43206: drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set()
(bsc#1266668).
* CVE-2026-46331: net/sched: fix pedit partial COW leading to page cache
(bsc#1267625).
* 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-2026-64600: xfs: resample the data fork mapping after cycling ILOCK
(RefluXFS) (bsc#1271543).
## Patch Instructions:
To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* SUSE Linux Enterprise Live Patching 12-SP5
zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2026-3723=1 SUSE-SLE-Live-
Patching-12-SP5-2026-3732=1 SUSE-SLE-Live-Patching-12-SP5-2026-3733=1
## Package List:
* SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
* kgraft-patch-4_12_14-122_272-default-16-2.1
* kgraft-patch-4_12_14-122_275-default-14-2.1
* kgraft-patch-4_12_14-122_280-default-12-2.1
## References:
* https://www.suse.com/security/cve/CVE-2023-53995.html
* https://www.suse.com/security/cve/CVE-2025-40204.html
* https://www.suse.com/security/cve/CVE-2026-23449.html
* https://www.suse.com/security/cve/CVE-2026-31629.html
* https://www.suse.com/security/cve/CVE-2026-31759.html
* https://www.suse.com/security/cve/CVE-2026-43077.html
* https://www.suse.com/security/cve/CVE-2026-43206.html
* https://www.suse.com/security/cve/CVE-2026-46331.html
* https://www.suse.com/security/cve/CVE-2026-52923.html
* https://www.suse.com/security/cve/CVE-2026-52956.html
* https://www.suse.com/security/cve/CVE-2026-52972.html
* https://www.suse.com/security/cve/CVE-2026-53224.html
* https://www.suse.com/security/cve/CVE-2026-53246.html
* https://www.suse.com/security/cve/CVE-2026-64600.html
* https://bugzilla.suse.com/show_bug.cgi?id=1253437
* https://bugzilla.suse.com/show_bug.cgi?id=1262213
* https://bugzilla.suse.com/show_bug.cgi?id=1263791
* https://bugzilla.suse.com/show_bug.cgi?id=1264078
* https://bugzilla.suse.com/show_bug.cgi?id=1265306
* https://bugzilla.suse.com/show_bug.cgi?id=1266668
* https://bugzilla.suse.com/show_bug.cgi?id=1267625
* https://bugzilla.suse.com/show_bug.cgi?id=1269034
* https://bugzilla.suse.com/show_bug.cgi?id=1269196
* https://bugzilla.suse.com/show_bug.cgi?id=1269284
* https://bugzilla.suse.com/show_bug.cgi?id=1270023
* https://bugzilla.suse.com/show_bug.cgi?id=1270024
* https://bugzilla.suse.com/show_bug.cgi?id=1271543
* https://bugzilla.suse.com/show_bug.cgi?id=1272139
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