SUSE-SU-2026:3351-1: important: Security update for the Linux Kernel (Live Patch 40 for SUSE Linux Enterprise 15 SP5)

SLE-UPDATES null at suse.de
Tue Jul 28 16:33:15 UTC 2026 

# Security update for the Linux Kernel (Live Patch 40 for SUSE Linux Enterprise
15 SP5)

Announcement ID: SUSE-SU-2026:3351-1  
Release Date: 2026-07-28T12:10:24Z  
Rating: important  
References:

  * bsc#1266970
  * bsc#1270060
  * bsc#1271648

  
Cross-References:

  * CVE-2026-43038
  * CVE-2026-46113
  * CVE-2026-53359

  
CVSS scores:

  * CVE-2026-43038 ( SUSE ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  * CVE-2026-43038 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-43038 ( NVD ):  7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
  * CVE-2026-46113 ( SUSE ):  9.3
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
  * CVE-2026-46113 ( SUSE ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-46113 ( NVD ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-53359 ( SUSE ):  9.3
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
  * CVE-2026-53359 ( SUSE ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-53359 ( NVD ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

  
Affected Products:

  * openSUSE Leap 15.4
  * openSUSE Leap 15.5
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise Live Patching 15-SP4
  * SUSE Linux Enterprise Live Patching 15-SP5
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Real Time 15 SP4
  * SUSE Linux Enterprise Real Time 15 SP5
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.166 fixes
various security issues:

The following security issues were fixed:

  * CVE-2026-43038: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach()
    (bsc#1271648).
  * CVE-2026-46113: KVM: x86: Fix shadow paging use-after-free due to unexpected
    GFN (bsc#1266970).
  * CVE-2026-53359: KVM: x86: Fix shadow paging use-after-free due to unexpected
    role (bsc#1270060).

## 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 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-3351=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-3351=1

  * SUSE Linux Enterprise Live Patching 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-3328=1 SUSE-SLE-
Module-Live-Patching-15-SP5-2026-3349=1

  * openSUSE Leap 15.5  
    zypper in -t patch SUSE-2026-3349=1 SUSE-2026-3328=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_219-default-3-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_54-debugsource-3-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_219-default-debuginfo-3-150400.2.1
  * openSUSE Leap 15.4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_219-default-3-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_54-debugsource-3-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_219-default-debuginfo-3-150400.2.1
  * openSUSE Leap 15.5 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP5_Update_41-debugsource-3-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_166-default-debuginfo-3-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_166-default-3-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_169-default-debuginfo-3-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_40-debugsource-3-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_169-default-3-150500.2.1
  * SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP5_Update_41-debugsource-3-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_166-default-debuginfo-3-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_166-default-3-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_169-default-debuginfo-3-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_40-debugsource-3-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_169-default-3-150500.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-43038.html
  * https://www.suse.com/security/cve/CVE-2026-46113.html
  * https://www.suse.com/security/cve/CVE-2026-53359.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1266970
  * https://bugzilla.suse.com/show_bug.cgi?id=1270060
  * https://bugzilla.suse.com/show_bug.cgi?id=1271648

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