SUSE-SU-2026:1048-1: important: Security update for the Linux Kernel (Live Patch 33 for SUSE Linux Enterprise 15 SP5)

SLE-SECURITY-UPDATES null at suse.de
Thu Mar 26 12:30:39 UTC 2026 


# Security update for the Linux Kernel (Live Patch 33 for SUSE Linux Enterprise
15 SP5)

Announcement ID: SUSE-SU-2026:1048-1  
Release Date: 2026-03-26T07:34:36Z  
Rating: important  
References:

  * bsc#1254755
  * bsc#1255053
  * bsc#1255378
  * bsc#1255402
  * bsc#1255595
  * bsc#1256624
  * bsc#1256644
  * bsc#1257118
  * bsc#1257629

  
Cross-References:

  * CVE-2022-50697
  * CVE-2023-53781
  * CVE-2025-21738
  * CVE-2025-38159
  * CVE-2025-40258
  * CVE-2025-68284
  * CVE-2025-68285
  * CVE-2025-68813
  * CVE-2025-71085

  
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-2023-53781 ( 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-2025-40258 ( 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
  * CVE-2025-71085 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 nine vulnerabilities can now be installed.

## Description:

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.130 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-2023-53781: 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-2025-40258: 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-SP4  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-1047=1 SUSE-SLE-
Module-Live-Patching-15-SP4-2026-1048=1

  * openSUSE Leap 15.5  
    zypper in -t patch SUSE-2026-1050=1 SUSE-2026-1054=1 SUSE-2026-1055=1

  * SUSE Linux Enterprise Live Patching 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-1050=1 SUSE-SLE-
Module-Live-Patching-15-SP5-2026-1054=1 SUSE-SLE-Module-Live-
Patching-15-SP5-2026-1055=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-1048=1 SUSE-2026-1047=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_184-default-3-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_46-debugsource-3-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_187-default-debuginfo-3-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_187-default-3-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_184-default-debuginfo-3-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_47-debugsource-3-150400.2.1
  * openSUSE Leap 15.5 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150500_55_130-default-debuginfo-3-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_124-default-debuginfo-6-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_127-default-3-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_32-debugsource-3-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_130-default-3-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_31-debugsource-6-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_124-default-6-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_33-debugsource-3-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_127-default-debuginfo-3-150500.2.1
  * SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150500_55_130-default-debuginfo-3-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_124-default-debuginfo-6-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_127-default-3-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_32-debugsource-3-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_130-default-3-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_31-debugsource-6-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_124-default-6-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_33-debugsource-3-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_127-default-debuginfo-3-150500.2.1
  * openSUSE Leap 15.4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_184-default-3-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_46-debugsource-3-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_187-default-debuginfo-3-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_184-default-debuginfo-3-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_187-default-3-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_47-debugsource-3-150400.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2022-50697.html
  * https://www.suse.com/security/cve/CVE-2023-53781.html
  * https://www.suse.com/security/cve/CVE-2025-21738.html
  * https://www.suse.com/security/cve/CVE-2025-38159.html
  * https://www.suse.com/security/cve/CVE-2025-40258.html
  * https://www.suse.com/security/cve/CVE-2025-68284.html
  * https://www.suse.com/security/cve/CVE-2025-68285.html
  * https://www.suse.com/security/cve/CVE-2025-68813.html
  * https://www.suse.com/security/cve/CVE-2025-71085.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1254755
  * https://bugzilla.suse.com/show_bug.cgi?id=1255053
  * https://bugzilla.suse.com/show_bug.cgi?id=1255378
  * https://bugzilla.suse.com/show_bug.cgi?id=1255402
  * https://bugzilla.suse.com/show_bug.cgi?id=1255595
  * https://bugzilla.suse.com/show_bug.cgi?id=1256624
  * https://bugzilla.suse.com/show_bug.cgi?id=1256644
  * https://bugzilla.suse.com/show_bug.cgi?id=1257118
  * https://bugzilla.suse.com/show_bug.cgi?id=1257629

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