SUSE-SU-2026:1858-1: important: Security update for the Linux Kernel RT (Live Patch 12 for SUSE Linux Enterprise 15 SP7)

SLE-SECURITY-UPDATES null at suse.de
Thu May 14 17:31:45 UTC 2026 

# Security update for the Linux Kernel RT (Live Patch 12 for SUSE Linux
Enterprise 15 SP7)

Announcement ID: SUSE-SU-2026:1858-1  
Release Date: 2026-05-14T15:05:36Z  
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 Enterprise Live Patching 15-SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.40 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 Enterprise Live Patching 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-1847=1 SUSE-SLE-
Module-Live-Patching-15-SP7-2026-1848=1 SUSE-SLE-Module-Live-
Patching-15-SP7-2026-1854=1 SUSE-SLE-Module-Live-Patching-15-SP7-2026-1849=1
SUSE-SLE-Module-Live-Patching-15-SP7-2026-1850=1 SUSE-SLE-Module-Live-
Patching-15-SP7-2026-1856=1 SUSE-SLE-Module-Live-Patching-15-SP7-2026-1855=1
SUSE-SLE-Module-Live-Patching-15-SP7-2026-1851=1 SUSE-SLE-Module-Live-
Patching-15-SP7-2026-1852=1 SUSE-SLE-Module-Live-Patching-15-SP7-2026-1858=1
SUSE-SLE-Module-Live-Patching-15-SP7-2026-1859=1 SUSE-SLE-Module-Live-
Patching-15-SP7-2026-1860=1 SUSE-SLE-Module-Live-Patching-15-SP7-2026-1853=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP7 (x86_64)
    * kernel-livepatch-6_4_0-150700_7_8-rt-debuginfo-15-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_13-rt-11-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_3-rt-debuginfo-16-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_0-debugsource-16-150700.3.1
    * kernel-livepatch-6_4_0-150700_7_37-rt-debuginfo-3-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_6-debugsource-7-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_34-rt-debuginfo-3-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_1-debugsource-16-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_22-rt-debuginfo-7-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_9-debugsource-5-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_13-rt-debuginfo-11-150700.2.1
    * kernel-livepatch-6_4_0-150700_5-rt-debuginfo-16-150700.3.1
    * kernel-livepatch-SLE15-SP7-RT_Update_4-debugsource-11-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_25-rt-6-150700.2.1
    * kernel-livepatch-6_4_0-150700_5-rt-16-150700.3.1
    * kernel-livepatch-6_4_0-150700_7_8-rt-15-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_28-rt-6-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_16-rt-debuginfo-11-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_16-rt-11-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_8-debugsource-6-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_19-rt-debuginfo-8-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_10-debugsource-3-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_22-rt-7-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_31-rt-5-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_5-debugsource-8-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_31-rt-debuginfo-5-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_11-debugsource-3-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_34-rt-3-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_19-rt-8-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_7-debugsource-6-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_40-rt-2-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_3-rt-16-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_28-rt-debuginfo-6-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_37-rt-3-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_3-debugsource-11-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_40-rt-debuginfo-2-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_12-debugsource-2-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_2-debugsource-15-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_25-rt-debuginfo-6-150700.2.1

## References:

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

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