Security update for the Linux Kernel

Announcement ID: SUSE-SU-2026:1825-1
Release Date: 2026-05-12T09:00:07Z
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-2026-43284 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected Products:
  • Basesystem Module 15-SP7
  • Development Tools Module 15-SP7
  • Legacy Module 15-SP7
  • Public Cloud Module 15-SP7
  • SUSE Linux Enterprise Desktop 15 SP7
  • SUSE Linux Enterprise High Availability Extension 15 SP7
  • 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 Linux Enterprise Workstation Extension 15 SP7

An update that solves one vulnerability can now be installed.

Description:

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

  • CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags (bsc#1264449).

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:

  • Basesystem Module 15-SP7
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1825=1
  • SUSE Linux Enterprise Workstation Extension 15 SP7
    zypper in -t patch SUSE-SLE-Product-WE-15-SP7-2026-1825=1
  • SUSE Linux Enterprise Live Patching 15-SP7
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-1825=1
    Please note that this is the initial kernel livepatch without fixes itself, this package is later updated by separate standalone kernel livepatch updates.
  • Development Tools Module 15-SP7
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP7-2026-1825=1
  • Legacy Module 15-SP7
    zypper in -t patch SUSE-SLE-Module-Legacy-15-SP7-2026-1825=1
  • Public Cloud Module 15-SP7
    zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP7-2026-1825=1
  • SUSE Linux Enterprise High Availability Extension 15 SP7
    zypper in -t patch SUSE-SLE-Product-HA-15-SP7-2026-1825=1

Package List:

  • Basesystem Module 15-SP7 (aarch64 nosrc)
    • kernel-64kb-6.4.0-150700.53.45.1
  • Basesystem Module 15-SP7 (aarch64)
    • kernel-64kb-devel-6.4.0-150700.53.45.1
    • kernel-64kb-devel-debuginfo-6.4.0-150700.53.45.1
    • kernel-64kb-debugsource-6.4.0-150700.53.45.1
    • kernel-64kb-debuginfo-6.4.0-150700.53.45.1
  • Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64 nosrc)
    • kernel-default-6.4.0-150700.53.45.1
  • Basesystem Module 15-SP7 (aarch64 ppc64le x86_64)
    • kernel-default-base-6.4.0-150700.53.45.1.150700.17.29.2
  • Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    • kernel-default-devel-6.4.0-150700.53.45.1
    • kernel-default-debugsource-6.4.0-150700.53.45.1
    • kernel-default-devel-debuginfo-6.4.0-150700.53.45.1
    • kernel-default-debuginfo-6.4.0-150700.53.45.1
  • Basesystem Module 15-SP7 (noarch)
    • kernel-macros-6.4.0-150700.53.45.1
    • kernel-devel-6.4.0-150700.53.45.1
  • Basesystem Module 15-SP7 (nosrc s390x)
    • kernel-zfcpdump-6.4.0-150700.53.45.1
  • Basesystem Module 15-SP7 (s390x)
    • kernel-zfcpdump-debugsource-6.4.0-150700.53.45.1
    • kernel-zfcpdump-debuginfo-6.4.0-150700.53.45.1
  • SUSE Linux Enterprise Workstation Extension 15 SP7 (x86_64)
    • kernel-default-extra-debuginfo-6.4.0-150700.53.45.1
    • kernel-default-debugsource-6.4.0-150700.53.45.1
    • kernel-default-debuginfo-6.4.0-150700.53.45.1
    • kernel-default-extra-6.4.0-150700.53.45.1
  • SUSE Linux Enterprise Workstation Extension 15 SP7 (nosrc)
    • kernel-default-6.4.0-150700.53.45.1
  • SUSE Linux Enterprise Live Patching 15-SP7 (nosrc)
    • kernel-default-6.4.0-150700.53.45.1
  • SUSE Linux Enterprise Live Patching 15-SP7 (ppc64le s390x x86_64)
    • kernel-livepatch-6_4_0-150700_53_45-default-1-150700.15.3.2
    • kernel-default-debugsource-6.4.0-150700.53.45.1
    • kernel-livepatch-SLE15-SP7_Update_13-debugsource-1-150700.15.3.2
    • kernel-livepatch-6_4_0-150700_53_45-default-debuginfo-1-150700.15.3.2
    • kernel-default-livepatch-devel-6.4.0-150700.53.45.1
    • kernel-default-livepatch-6.4.0-150700.53.45.1
    • kernel-default-debuginfo-6.4.0-150700.53.45.1
  • Development Tools Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    • kernel-obs-build-debugsource-6.4.0-150700.53.45.1
    • kernel-syms-6.4.0-150700.53.45.1
    • kernel-obs-build-6.4.0-150700.53.45.1
  • Development Tools Module 15-SP7 (noarch nosrc)
    • kernel-docs-6.4.0-150700.53.45.1
  • Development Tools Module 15-SP7 (noarch)
    • kernel-source-6.4.0-150700.53.45.1
  • Legacy Module 15-SP7 (nosrc)
    • kernel-default-6.4.0-150700.53.45.1
  • Legacy Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    • reiserfs-kmp-default-debuginfo-6.4.0-150700.53.45.1
    • kernel-default-debugsource-6.4.0-150700.53.45.1
    • kernel-default-debuginfo-6.4.0-150700.53.45.1
    • reiserfs-kmp-default-6.4.0-150700.53.45.1
  • Public Cloud Module 15-SP7 (aarch64 nosrc x86_64)
    • kernel-azure-6.4.0-150700.53.45.1
  • Public Cloud Module 15-SP7 (aarch64 x86_64)
    • kernel-azure-devel-debuginfo-6.4.0-150700.53.45.1
    • kernel-azure-devel-6.4.0-150700.53.45.1
    • kernel-azure-debugsource-6.4.0-150700.53.45.1
    • kernel-azure-debuginfo-6.4.0-150700.53.45.1
  • SUSE Linux Enterprise High Availability Extension 15 SP7 (aarch64 ppc64le s390x x86_64)
    • cluster-md-kmp-default-6.4.0-150700.53.45.1
    • kernel-default-debugsource-6.4.0-150700.53.45.1
    • ocfs2-kmp-default-debuginfo-6.4.0-150700.53.45.1
    • gfs2-kmp-default-6.4.0-150700.53.45.1
    • ocfs2-kmp-default-6.4.0-150700.53.45.1
    • gfs2-kmp-default-debuginfo-6.4.0-150700.53.45.1
    • kernel-default-debuginfo-6.4.0-150700.53.45.1
    • dlm-kmp-default-6.4.0-150700.53.45.1
    • cluster-md-kmp-default-debuginfo-6.4.0-150700.53.45.1
    • dlm-kmp-default-debuginfo-6.4.0-150700.53.45.1
  • SUSE Linux Enterprise High Availability Extension 15 SP7 (nosrc)
    • kernel-default-6.4.0-150700.53.45.1

References: