Security update for the Linux Kernel (Live Patch 42 for SUSE Linux Enterprise 15 SP5)

Announcement ID: SUSE-SU-2026:3350-1
Release Date: 2026-07-28T12:09:45Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2026-43038 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  • CVE-2026-43038 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-43038 ( NVD ): 7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
  • CVE-2026-53359 ( SUSE ): 9.3 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
  • CVE-2026-53359 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  • CVE-2026-53359 ( 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 15.4
  • openSUSE Leap 15.5
  • SUSE Linux Enterprise High Performance Computing 15 SP4
  • SUSE Linux Enterprise High Performance Computing 15 SP5
  • SUSE Linux Enterprise Live Patching 15-SP4
  • SUSE Linux Enterprise Live Patching 15-SP5
  • SUSE Linux Enterprise Micro 5.3
  • SUSE Linux Enterprise Micro 5.4
  • SUSE Linux Enterprise Micro 5.5
  • SUSE Linux Enterprise Real Time 15 SP4
  • SUSE Linux Enterprise Real Time 15 SP5
  • SUSE Linux Enterprise Server 15 SP4
  • SUSE Linux Enterprise Server 15 SP5
  • SUSE Linux Enterprise Server for SAP Applications 15 SP4
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves two vulnerabilities can now be installed.

Description:

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.172 fixes various security issues:

The following security issues were fixed:

  • CVE-2026-43038: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() (bsc#1271648).
  • CVE-2026-53359: KVM: x86: Fix shadow paging use-after-free due to unexpected role (bsc#1270060).

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 15.4
    zypper in -t patch SUSE-2026-3350=1 SUSE-2026-3346=1
  • SUSE Linux Enterprise Live Patching 15-SP4
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-3346=1 SUSE-SLE-Module-Live-Patching-15-SP4-2026-3350=1
  • openSUSE Leap 15.5
    zypper in -t patch SUSE-2026-3324=1
  • SUSE Linux Enterprise Live Patching 15-SP5
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-3324=1

Package List:

  • openSUSE Leap 15.5 (ppc64le s390x x86_64)
    • kernel-livepatch-5_14_21-150500_55_172-default-debuginfo-3-150500.2.1
    • kernel-livepatch-5_14_21-150500_55_172-default-3-150500.2.1
    • kernel-livepatch-SLE15-SP5_Update_42-debugsource-3-150500.2.1
  • SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
    • kernel-livepatch-5_14_21-150500_55_172-default-3-150500.2.1
    • kernel-livepatch-5_14_21-150500_55_172-default-debuginfo-3-150500.2.1
    • kernel-livepatch-SLE15-SP5_Update_42-debugsource-3-150500.2.1
  • openSUSE Leap 15.4 (ppc64le s390x x86_64)
    • kernel-livepatch-SLE15-SP4_Update_55-debugsource-3-150400.2.1
    • kernel-livepatch-SLE15-SP4_Update_56-debugsource-3-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_222-default-3-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_225-default-debuginfo-3-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_222-default-debuginfo-3-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_225-default-3-150400.2.1
  • SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    • kernel-livepatch-SLE15-SP4_Update_55-debugsource-3-150400.2.1
    • kernel-livepatch-SLE15-SP4_Update_56-debugsource-3-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_222-default-3-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_225-default-debuginfo-3-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_222-default-debuginfo-3-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_225-default-3-150400.2.1

References: