Security update for the Linux Kernel (Live Patch 5 for SUSE Linux Enterprise 15 SP7)

Announcement ID:	SUSE-SU-2026:1896-1
Release Date:	2026-05-17T10:04:25Z
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:	openSUSE Leap 15.6 SUSE Linux Enterprise Live Patching 15-SP6 SUSE Linux Enterprise Live Patching 15-SP7 SUSE Linux Enterprise Real Time 15 SP6 SUSE Linux Enterprise Real Time 15 SP7 SUSE Linux Enterprise Server 15 SP6 SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP6 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 6.4.0-150700.53.19 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:

• openSUSE Leap 15.6
  zypper in -t patch SUSE-2026-1896=1 SUSE-2026-1897=1
• SUSE Linux Enterprise Live Patching 15-SP6
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2026-1896=1 SUSE-SLE-Module-Live-Patching-15-SP6-2026-1897=1
• SUSE Linux Enterprise Live Patching 15-SP7
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-1894=1 SUSE-SLE-Module-Live-Patching-15-SP7-2026-1895=1

Package List:

• openSUSE Leap 15.6 (ppc64le s390x x86_64)
  • kernel-livepatch-6_4_0-150600_23_84-default-debuginfo-6-150600.2.1
  • kernel-livepatch-6_4_0-150600_23_95-default-debuginfo-3-150600.2.1
  • kernel-livepatch-6_4_0-150600_23_84-default-6-150600.2.1
  • kernel-livepatch-SLE15-SP6_Update_19-debugsource-6-150600.2.1
  • kernel-livepatch-SLE15-SP6_Update_22-debugsource-3-150600.2.1
  • kernel-livepatch-6_4_0-150600_23_95-default-3-150600.2.1
• SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)
  • kernel-livepatch-6_4_0-150600_23_84-default-debuginfo-6-150600.2.1
  • kernel-livepatch-6_4_0-150600_23_95-default-debuginfo-3-150600.2.1
  • kernel-livepatch-6_4_0-150600_23_84-default-6-150600.2.1
  • kernel-livepatch-SLE15-SP6_Update_19-debugsource-6-150600.2.1
  • kernel-livepatch-SLE15-SP6_Update_22-debugsource-3-150600.2.1
  • kernel-livepatch-6_4_0-150600_23_95-default-3-150600.2.1
• SUSE Linux Enterprise Live Patching 15-SP7 (ppc64le s390x x86_64)
  • kernel-livepatch-6_4_0-150700_53_19-default-8-150700.2.1
  • kernel-livepatch-SLE15-SP7_Update_5-debugsource-8-150700.2.1
  • kernel-livepatch-6_4_0-150700_53_16-default-debuginfo-11-150700.2.1
  • kernel-livepatch-6_4_0-150700_53_16-default-11-150700.2.1
  • kernel-livepatch-SLE15-SP7_Update_4-debugsource-11-150700.2.1
  • kernel-livepatch-6_4_0-150700_53_19-default-debuginfo-8-150700.2.1

References:

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