Security update for the Linux Kernel (Live Patch 24 for SUSE Linux Enterprise 15 SP5)

Announcement ID: SUSE-SU-2026:1000-1
Release Date: 2026-03-25T07:34:28Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2022-50697 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2022-50697 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-53257 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • CVE-2023-53257 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2023-53257 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-53257 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-53781 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2023-53781 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-21738 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2025-21738 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-21738 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-38159 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2025-38159 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-38159 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  • CVE-2025-38488 ( SUSE ): 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2025-38488 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-38488 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-40258 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2025-40258 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-68284 ( SUSE ): 7.0 CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2025-68284 ( SUSE ): 7.3 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
  • CVE-2025-68285 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2025-68285 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-68813 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • CVE-2025-68813 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-71085 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • CVE-2025-71085 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • openSUSE Leap 15.5
  • SUSE Linux Enterprise High Performance Computing 15 SP5
  • SUSE Linux Enterprise Live Patching 15-SP5
  • SUSE Linux Enterprise Micro 5.5
  • SUSE Linux Enterprise Real Time 15 SP5
  • SUSE Linux Enterprise Server 15 SP5
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves 11 vulnerabilities can now be installed.

Description:

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.97 fixes various security issues

The following security issues were fixed:

  • CVE-2022-50697: mrp: introduce active flags to prevent UAF when applicant uninit (bsc#1255595).
  • CVE-2023-53257: wifi: mac80211: check S1G action frame size (bsc#1250730).
  • CVE-2023-53781: smc: Fix use-after-free in tcp_write_timer_handler() (bsc#1254755).
  • CVE-2025-21738: ata: libata-sff: ensure that we cannot write outside the allocated buffer (bsc#1257118).
  • CVE-2025-38159: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds (bsc#1257629).
  • CVE-2025-38488: smb: client: fix use-after-free in crypt_message when using async crypto (bsc#1247240).
  • CVE-2025-40258: mptcp: fix race condition in mptcp_schedule_work() (bsc#1255053).
  • CVE-2025-68284: libceph: prevent potential out-of-bounds writes in handle_auth_session_key() (bsc#1255378).
  • CVE-2025-68285: libceph: fix potential use-after-free in have_mon_and_osd_map() (bsc#1255402).
  • CVE-2025-68813: ipvs: fix ipv4 null-ptr-deref in route error path (bsc#1256644).
  • CVE-2025-71085: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr() (bsc#1256624).

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-SP5
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-999=1 SUSE-SLE-Module-Live-Patching-15-SP5-2026-1000=1
  • openSUSE Leap 15.5
    zypper in -t patch SUSE-2026-1000=1 SUSE-2026-999=1

Package List:

  • SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
    • kernel-livepatch-5_14_21-150500_55_97-default-debuginfo-16-150500.2.2
    • kernel-livepatch-SLE15-SP5_Update_23-debugsource-16-150500.2.2
    • kernel-livepatch-5_14_21-150500_55_97-default-16-150500.2.2
    • kernel-livepatch-5_14_21-150500_55_94-default-16-150500.2.2
    • kernel-livepatch-SLE15-SP5_Update_24-debugsource-16-150500.2.2
    • kernel-livepatch-5_14_21-150500_55_94-default-debuginfo-16-150500.2.2
  • openSUSE Leap 15.5 (ppc64le s390x x86_64)
    • kernel-livepatch-5_14_21-150500_55_97-default-debuginfo-16-150500.2.2
    • kernel-livepatch-SLE15-SP5_Update_23-debugsource-16-150500.2.2
    • kernel-livepatch-5_14_21-150500_55_97-default-16-150500.2.2
    • kernel-livepatch-5_14_21-150500_55_94-default-16-150500.2.2
    • kernel-livepatch-SLE15-SP5_Update_24-debugsource-16-150500.2.2
    • kernel-livepatch-5_14_21-150500_55_94-default-debuginfo-16-150500.2.2

References: