Security update for the Linux Kernel (Live Patch 22 for SUSE Linux Enterprise 15 SP6)

Announcement ID:	SUSE-SU-2026:1736-1
Release Date:	2026-05-07T02:35:14Z
Rating:	important
References:	bsc#1263689
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 15.4 openSUSE Leap 15.6 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise Live Patching 15-SP4 SUSE Linux Enterprise Live Patching 15-SP6 SUSE Linux Enterprise Micro 5.3 SUSE Linux Enterprise Micro 5.4 SUSE Linux Enterprise Real Time 15 SP4 SUSE Linux Enterprise Real Time 15 SP6 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server 15 SP6 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP6

An update that solves one vulnerability can now be installed.

Description:

This update for the SUSE Linux Enterprise kernel 6.4.0-150600.23.95 fixes one security issue

The following security issue was fixed:

• CVE-2026-31431: crypto: algif_aead - Revert to operating out-of-place (bsc#1263689).

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-SP4
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-1737=1 SUSE-SLE-Module-Live-Patching-15-SP4-2026-1736=1
• openSUSE Leap 15.6
  zypper in -t patch SUSE-2026-1730=1
• SUSE Linux Enterprise Live Patching 15-SP6
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2026-1730=1
• openSUSE Leap 15.4
  zypper in -t patch SUSE-2026-1736=1 SUSE-2026-1737=1

Package List:

• SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
  • kernel-livepatch-5_14_21-150400_24_197-default-2-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_197-default-debuginfo-2-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_200-default-2-150400.2.1
  • kernel-livepatch-SLE15-SP4_Update_50-debugsource-2-150400.2.1
  • kernel-livepatch-SLE15-SP4_Update_49-debugsource-2-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_200-default-debuginfo-2-150400.2.1
• openSUSE Leap 15.6 (ppc64le s390x x86_64)
  • kernel-livepatch-6_4_0-150600_23_95-default-debuginfo-2-150600.2.1
  • kernel-livepatch-6_4_0-150600_23_95-default-2-150600.2.1
  • kernel-livepatch-SLE15-SP6_Update_22-debugsource-2-150600.2.1
• SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)
  • kernel-livepatch-6_4_0-150600_23_95-default-debuginfo-2-150600.2.1
  • kernel-livepatch-6_4_0-150600_23_95-default-2-150600.2.1
  • kernel-livepatch-SLE15-SP6_Update_22-debugsource-2-150600.2.1
• openSUSE Leap 15.4 (ppc64le s390x x86_64)
  • kernel-livepatch-5_14_21-150400_24_197-default-2-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_197-default-debuginfo-2-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_200-default-2-150400.2.1
  • kernel-livepatch-SLE15-SP4_Update_50-debugsource-2-150400.2.1
  • kernel-livepatch-SLE15-SP4_Update_49-debugsource-2-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_200-default-debuginfo-2-150400.2.1

References:

• https://www.suse.com/security/cve/CVE-2026-31431.html
• https://bugzilla.suse.com/show_bug.cgi?id=1263689