SUSE-SU-2026:1676-1: important: Security update for the Linux Kernel

[SLE-UPDATES]

# Security update for the Linux Kernel

Announcement ID: SUSE-SU-2026:1676-1  
Release Date: 2026-05-02T07:19:34Z  
Rating: important  
References:

  * bsc#1262573

  
Cross-References:

  * CVE-2026-31431

  
CVSS scores:

  * CVE-2026-31431 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-31431 ( 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 15.5
  * SUSE Linux Enterprise Micro 5.5

  
  
An update that solves one vulnerability can now be installed.

## Description:

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix one security issue

The following security issue was fixed:

  * CVE-2026-31431: The copy.fail security issue is fixed by revert to operating
    out-of-place in algif_aead (bsc#1262573).

## Special Instructions and Notes:

  * Please reboot the system after installing this update.

## 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-2026-1676=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-1676=1

## Package List:

  * openSUSE Leap 15.5 (noarch)
    * kernel-source-rt-5.14.21-150500.13.130.1
    * kernel-devel-rt-5.14.21-150500.13.130.1
  * openSUSE Leap 15.5 (x86_64)
    * kernel-rt-vdso-5.14.21-150500.13.130.1
    * dlm-kmp-rt-debuginfo-5.14.21-150500.13.130.1
    * dlm-kmp-rt-5.14.21-150500.13.130.1
    * gfs2-kmp-rt-debuginfo-5.14.21-150500.13.130.1
    * kselftests-kmp-rt-5.14.21-150500.13.130.1
    * kernel-rt_debug-devel-debuginfo-5.14.21-150500.13.130.1
    * ocfs2-kmp-rt-5.14.21-150500.13.130.1
    * kernel-rt-devel-debuginfo-5.14.21-150500.13.130.1
    * kernel-rt_debug-debugsource-5.14.21-150500.13.130.1
    * kernel-rt-vdso-debuginfo-5.14.21-150500.13.130.1
    * kernel-rt-optional-debuginfo-5.14.21-150500.13.130.1
    * kernel-rt-livepatch-devel-5.14.21-150500.13.130.1
    * kernel-rt-debugsource-5.14.21-150500.13.130.1
    * kernel-rt-optional-5.14.21-150500.13.130.1
    * cluster-md-kmp-rt-5.14.21-150500.13.130.1
    * kselftests-kmp-rt-debuginfo-5.14.21-150500.13.130.1
    * kernel-rt-extra-5.14.21-150500.13.130.1
    * kernel-rt_debug-vdso-5.14.21-150500.13.130.1
    * kernel-rt_debug-debuginfo-5.14.21-150500.13.130.1
    * reiserfs-kmp-rt-5.14.21-150500.13.130.1
    * ocfs2-kmp-rt-debuginfo-5.14.21-150500.13.130.1
    * kernel-rt_debug-devel-5.14.21-150500.13.130.1
    * kernel-syms-rt-5.14.21-150500.13.130.1
    * kernel-rt-devel-5.14.21-150500.13.130.1
    * kernel-rt-extra-debuginfo-5.14.21-150500.13.130.1
    * kernel-rt_debug-vdso-debuginfo-5.14.21-150500.13.130.1
    * gfs2-kmp-rt-5.14.21-150500.13.130.1
    * kernel-rt-livepatch-5.14.21-150500.13.130.1
    * cluster-md-kmp-rt-debuginfo-5.14.21-150500.13.130.1
    * reiserfs-kmp-rt-debuginfo-5.14.21-150500.13.130.1
    * kernel-rt-debuginfo-5.14.21-150500.13.130.1
  * openSUSE Leap 15.5 (nosrc x86_64)
    * kernel-rt-5.14.21-150500.13.130.1
    * kernel-rt_debug-5.14.21-150500.13.130.1
  * SUSE Linux Enterprise Micro 5.5 (noarch)
    * kernel-source-rt-5.14.21-150500.13.130.1
    * kernel-devel-rt-5.14.21-150500.13.130.1
  * SUSE Linux Enterprise Micro 5.5 (nosrc x86_64)
    * kernel-rt-5.14.21-150500.13.130.1
  * SUSE Linux Enterprise Micro 5.5 (x86_64)
    * kernel-rt-debuginfo-5.14.21-150500.13.130.1
    * kernel-rt-debugsource-5.14.21-150500.13.130.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-31431.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1262573

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.suse.com/pipermail/sle-updates/attachments/20260504/ab45a248/attachment.htm>