Security update for the Linux Kernel

Announcement ID: SUSE-SU-2026:1778-1
Release Date: 2026-05-08T15:20:23Z
Rating: important
References:
Cross-References:
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-2026-43500 ( SUSE ): 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
  • SUSE Real Time Module 15-SP7

An update that solves two vulnerabilities can now be installed.

Description:

The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix the following issue:

This fixes the DirtyFrag issues:

  • CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags (bsc#1264449).
  • CVE-2026-43500: rxrpc and afs modules are disabled (bsc#1264450)

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:

  • SUSE Linux Enterprise Live Patching 15-SP7
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-1778=1
  • SUSE Real Time Module 15-SP7
    zypper in -t patch SUSE-SLE-Module-RT-15-SP7-2026-1778=1

Package List:

  • SUSE Linux Enterprise Live Patching 15-SP7 (x86_64)
    • kernel-livepatch-SLE15-SP7-RT_Update_13-debugsource-1-150700.1.3.1
    • kernel-livepatch-6_4_0-150700_7_44-rt-1-150700.1.3.1
    • kernel-livepatch-6_4_0-150700_7_44-rt-debuginfo-1-150700.1.3.1
  • SUSE Real Time Module 15-SP7 (x86_64)
    • kernel-rt-debuginfo-6.4.0-150700.7.44.1
    • ocfs2-kmp-rt-debuginfo-6.4.0-150700.7.44.1
    • kernel-rt-devel-6.4.0-150700.7.44.1
    • cluster-md-kmp-rt-6.4.0-150700.7.44.1
    • ocfs2-kmp-rt-6.4.0-150700.7.44.1
    • dlm-kmp-rt-debuginfo-6.4.0-150700.7.44.1
    • gfs2-kmp-rt-debuginfo-6.4.0-150700.7.44.1
    • cluster-md-kmp-rt-debuginfo-6.4.0-150700.7.44.1
    • kernel-rt-debugsource-6.4.0-150700.7.44.1
    • kernel-rt-devel-debuginfo-6.4.0-150700.7.44.1
    • gfs2-kmp-rt-6.4.0-150700.7.44.1
    • dlm-kmp-rt-6.4.0-150700.7.44.1
    • kernel-syms-rt-6.4.0-150700.7.44.1
  • SUSE Real Time Module 15-SP7 (noarch)
    • kernel-source-rt-6.4.0-150700.7.44.1
    • kernel-devel-rt-6.4.0-150700.7.44.1
  • SUSE Real Time Module 15-SP7 (nosrc x86_64)
    • kernel-rt-6.4.0-150700.7.44.1

References: