SUSE-SU-2026:2141-1: important: Security update for the Linux Kernel (Live Patch 45 for SUSE Linux Enterprise 15 SP4)

SLE-SECURITY-UPDATES null at suse.de
Mon Jun 1 08:31:44 UTC 2026 

# Security update for the Linux Kernel (Live Patch 45 for SUSE Linux Enterprise
15 SP4)

Announcement ID: SUSE-SU-2026:2141-1  
Release Date: 2026-05-31T04:35:52Z  
Rating: important  
References:

  * bsc#1259798
  * bsc#1260908
  * bsc#1264096
  * bsc#1265224
  * bsc#1265384

  
Cross-References:

  * CVE-2025-54518
  * CVE-2026-23243
  * CVE-2026-23274
  * CVE-2026-46300
  * CVE-2026-46333

  
CVSS scores:

  * CVE-2025-54518 ( 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-2025-54518 ( SUSE ):  7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-54518 ( NVD ):  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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-23243 ( 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-2026-23243 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-23243 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-23274 ( 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-2026-23274 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-23274 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-46300 ( SUSE ):  8.6
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-46300 ( SUSE ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-46300 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-46300 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-46333 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-46333 ( NVD ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
  * CVE-2026-46333 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

  
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 five vulnerabilities can now be installed.

## Description:

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.179 fixes
various security issues

The following security issues were fixed:

  * CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption (bsc#1264096).
  * CVE-2026-23243: RDMA/umad: Reject negative data_len in ib_umad_write
    (bsc#1259798).
  * CVE-2026-23274: netfilter: xt_IDLETIMER: reject rev0 reuse of ALARM timer
    labels (bsc#1260908).
  * CVE-2026-46300: FragNesia attack: another xfrm/esp based local root exploit
    (bsc#1265224).
  * CVE-2026-46333: ptrace: slightly saner 'get_dumpable()' logic (bsc#1265384).

## 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-2026-2141=1 SUSE-2026-2142=1 SUSE-2026-2145=1
SUSE-2026-2143=1 SUSE-2026-2146=1 SUSE-2026-2147=1

  * SUSE Linux Enterprise Live Patching 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-2141=1 SUSE-SLE-
Module-Live-Patching-15-SP4-2026-2142=1 SUSE-SLE-Module-Live-
Patching-15-SP4-2026-2145=1 SUSE-SLE-Module-Live-Patching-15-SP4-2026-2143=1
SUSE-SLE-Module-Live-Patching-15-SP4-2026-2146=1 SUSE-SLE-Module-Live-
Patching-15-SP4-2026-2147=1

## Package List:

  * openSUSE Leap 15.4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_167-default-19-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_164-default-20-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_44-debugsource-14-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_164-default-debuginfo-20-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_170-default-18-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_173-default-debuginfo-15-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_167-default-debuginfo-19-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_176-default-debuginfo-14-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_179-default-debuginfo-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_170-default-debuginfo-18-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_41-debugsource-19-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_173-default-15-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_176-default-14-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_43-debugsource-15-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_179-default-12-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_45-debugsource-12-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_42-debugsource-18-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_40-debugsource-20-150400.2.1
  * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_167-default-19-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_164-default-20-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_44-debugsource-14-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_164-default-debuginfo-20-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_170-default-18-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_173-default-debuginfo-15-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_167-default-debuginfo-19-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_176-default-debuginfo-14-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_179-default-debuginfo-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_170-default-debuginfo-18-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_41-debugsource-19-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_173-default-15-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_176-default-14-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_43-debugsource-15-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_179-default-12-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_45-debugsource-12-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_42-debugsource-18-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_40-debugsource-20-150400.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-54518.html
  * https://www.suse.com/security/cve/CVE-2026-23243.html
  * https://www.suse.com/security/cve/CVE-2026-23274.html
  * https://www.suse.com/security/cve/CVE-2026-46300.html
  * https://www.suse.com/security/cve/CVE-2026-46333.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1259798
  * https://bugzilla.suse.com/show_bug.cgi?id=1260908
  * https://bugzilla.suse.com/show_bug.cgi?id=1264096
  * https://bugzilla.suse.com/show_bug.cgi?id=1265224
  * https://bugzilla.suse.com/show_bug.cgi?id=1265384

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