SUSE-SU-2026:3709-1: important: Security update for the Linux Kernel (Live Patch 52 for SUSE Linux Enterprise 15 SP4)

OPENSUSE-SECURITY-UPDATES <[email protected]>
Newsgroups gmane.linux.suse.security.announce
Message-ID <178756029013.31468.14837737646423457505@907d03244aba> 
# Security update for the Linux Kernel (Live Patch 52 for SUSE Linux Enterprise
15 SP4)

Announcement ID: SUSE-SU-2026:3709-1  
Release Date: 2026-08-23T19:04:39Z  
Rating: important  
References:

  * bsc#1262213
  * bsc#1263791
  * bsc#1264078
  * bsc#1264483
  * bsc#1265306
  * bsc#1266668
  * bsc#1267362
  * bsc#1267625
  * bsc#1268281
  * bsc#1268624
  * bsc#1269034
  * bsc#1269196
  * bsc#1269284
  * bsc#1269822
  * bsc#1270023
  * bsc#1270024
  * bsc#1271543
  * bsc#1272139

  
Cross-References:

  * CVE-2023-53995
  * CVE-2026-23449
  * CVE-2026-31629
  * CVE-2026-31759
  * CVE-2026-43077
  * CVE-2026-43110
  * CVE-2026-43206
  * CVE-2026-46037
  * CVE-2026-46274
  * CVE-2026-46319
  * CVE-2026-46331
  * CVE-2026-52923
  * CVE-2026-52956
  * CVE-2026-52972
  * CVE-2026-53133
  * 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-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-2026-43110 ( SUSE ):  7.7
    CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-43110 ( SUSE ):  7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-43110 ( NVD ):  8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/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-2026-46037 ( SUSE ):  8.8
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-46037 ( SUSE ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
  * CVE-2026-46037 ( NVD ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
  * CVE-2026-46274 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-46274 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-46319 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-46319 ( 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-2026-53133 ( 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-2026-53133 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-53133 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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:

  * openSUSE Leap 15.4
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise Live Patching 15-SP4
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Real Time 15 SP4
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4

  
  
An update that solves 18 vulnerabilities can now be installed.

## Description:

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.209 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-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-2026-43110: 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-2026-46274: 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-2026-46331: 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-2026-53133: RDMA/umem: Fix truncation for block sizes >= 4G
    (bsc#1269822).
  * 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:

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-3709=1

  * SUSE Linux Enterprise Live Patching 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-3709=1

## Package List:

  * openSUSE Leap 15.4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_209-default-debuginfo-6-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_52-debugsource-6-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_209-default-6-150400.2.1
  * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_209-default-debuginfo-6-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_52-debugsource-6-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_209-default-6-150400.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-53995.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-2026-43110.html
  * https://www.suse.com/security/cve/CVE-2026-43206.html
  * https://www.suse.com/security/cve/CVE-2026-46037.html
  * https://www.suse.com/security/cve/CVE-2026-46274.html
  * https://www.suse.com/security/cve/CVE-2026-46319.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-2026-53133.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=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=1264483
  * 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=1267362
  * https://bugzilla.suse.com/show_bug.cgi?id=1267625
  * https://bugzilla.suse.com/show_bug.cgi?id=1268281
  * https://bugzilla.suse.com/show_bug.cgi?id=1268624
  * 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=1269822
  * 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
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.