SUSE-SU-2026:21672-1: important: Security update for the Linux Kernel (Live Patch 13 for SUSE Linux Enterprise Micro 6.0)

[SLE-SECURITY-UPDATES]

# Security update for the Linux Kernel (Live Patch 13 for SUSE Linux Enterprise
Micro 6.0)

Announcement ID: SUSE-SU-2026:21672-1  
Release Date: 2026-05-14T07:54:18Z  
Rating: important  
References:

  * bsc#1264459

  
Cross-References:

  * CVE-2026-43284

  
CVSS scores:

  * CVE-2026-43284 ( SUSE ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-43284 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-43284 ( NVD ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for the SUSE Linux Enterprise Kernel 6.4.0-36.1 fixes one security
issue

The following security issue was fixed:

  * CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags
    (bsc#1264459).

## 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 Micro 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-kernel-426=1

## Package List:

  * SUSE Linux Micro 6.0 (s390x x86_64)
    * kernel-livepatch-6_4_0-36-default-debuginfo-8-1.1
    * kernel-livepatch-6_4_0-36-default-8-1.1
    * kernel-livepatch-MICRO-6-0_Update_13-debugsource-8-1.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-43284.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1264459

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