SUSE-SU-2026:1535-1: important: Security update for the Linux Kernel (Live Patch 68 for SUSE Linux Enterprise 12 SP5)

[SLE-UPDATES]

# Security update for the Linux Kernel (Live Patch 68 for SUSE Linux Enterprise
12 SP5)

Announcement ID: SUSE-SU-2026:1535-1  
Release Date: 2026-04-21T14:34:30Z  
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:

  * 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 two vulnerabilities can now be installed.

## Description:

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.258 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:

  * SUSE Linux Enterprise Live Patching 12-SP5  
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2026-1535=1

## Package List:

  * SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
    * kgraft-patch-4_12_14-122_258-default-14-2.1

## 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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