SUSE-SU-2026:1622-1: important: Security update for the Linux Kernel (Live Patch 27 for SUSE Linux Enterprise 15 SP5)

SLE-SECURITY-UPDATES null at suse.de
Mon Apr 27 08:41:00 UTC 2026 


# Security update for the Linux Kernel (Live Patch 27 for SUSE Linux Enterprise
15 SP5)

Announcement ID: SUSE-SU-2026:1622-1  
Release Date: 2026-04-25T06:33:49Z  
Rating: important  
References:

  * bsc#1258396
  * bsc#1259859

  
Cross-References:

  * CVE-2026-23191
  * CVE-2026-23268

  
CVSS scores:

  * CVE-2026-23191 ( SUSE ):  6.9
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-23191 ( SUSE ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  * CVE-2026-23191 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-23191 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-23268 ( 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-2026-23268 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-23268 ( 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
  * 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 two vulnerabilities can now be installed.

## Description:

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.110 fixes
various security issues

The following security issues were fixed:

  * CVE-2026-23191: ALSA: aloop: Fix racy access at PCM trigger (bsc#1258396).
  * CVE-2026-23268: apparmor: fix unprivileged local user can do privileged
    policy management (bsc#1259859).

## 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 15.5  
    zypper in -t patch SUSE-2026-1627=1 SUSE-2026-1628=1

  * SUSE Linux Enterprise Live Patching 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-1627=1 SUSE-SLE-
Module-Live-Patching-15-SP5-2026-1628=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-1622=1 SUSE-2026-1623=1 SUSE-2026-1624=1
SUSE-2026-1625=1 SUSE-2026-1626=1

  * SUSE Linux Enterprise Live Patching 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-1622=1 SUSE-SLE-
Module-Live-Patching-15-SP4-2026-1623=1 SUSE-SLE-Module-Live-
Patching-15-SP4-2026-1624=1 SUSE-SLE-Module-Live-Patching-15-SP4-2026-1625=1
SUSE-SLE-Module-Live-Patching-15-SP4-2026-1626=1

## Package List:

  * openSUSE Leap 15.5 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP5_Update_27-debugsource-16-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_100-default-17-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_110-default-16-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_100-default-debuginfo-17-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_25-debugsource-17-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_110-default-debuginfo-16-150500.2.1
  * SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP5_Update_27-debugsource-16-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_100-default-17-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_110-default-16-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_100-default-debuginfo-17-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_25-debugsource-17-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_110-default-debuginfo-16-150500.2.1
  * openSUSE Leap 15.4 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP4_Update_41-debugsource-16-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_164-default-debuginfo-17-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_167-default-debuginfo-16-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_176-default-11-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_40-debugsource-17-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_179-default-9-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_179-default-debuginfo-9-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_173-default-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_176-default-debuginfo-11-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_44-debugsource-11-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_164-default-17-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_43-debugsource-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_173-default-debuginfo-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_167-default-16-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_45-debugsource-9-150400.2.1
  * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP4_Update_41-debugsource-16-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_164-default-debuginfo-17-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_167-default-debuginfo-16-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_176-default-11-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_40-debugsource-17-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_179-default-9-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_179-default-debuginfo-9-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_173-default-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_176-default-debuginfo-11-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_44-debugsource-11-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_164-default-17-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_43-debugsource-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_173-default-debuginfo-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_167-default-16-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_45-debugsource-9-150400.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-23191.html
  * https://www.suse.com/security/cve/CVE-2026-23268.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1258396
  * https://bugzilla.suse.com/show_bug.cgi?id=1259859

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