SUSE-SU-2026:0953-1: important: Security update for the Linux Kernel (Live Patch 66 for SUSE Linux Enterprise 12 SP5)

Mon Mar 23 08:30:21 UTC 2026

# Security update for the Linux Kernel (Live Patch 66 for SUSE Linux Enterprise
12 SP5)

Announcement ID: SUSE-SU-2026:0953-1  
Release Date: 2026-03-22T18:34:13Z  
Rating: important  
References:

  * bsc#1247240
  * bsc#1250785
  * bsc#1254755
  * bsc#1255402
  * bsc#1255595
  * bsc#1256217
  * bsc#1256624
  * bsc#1256644
  * bsc#1257118

Cross-References:

  * CVE-2022-50423
  * CVE-2022-50697
  * CVE-2022-50756
  * CVE-2023-53781
  * CVE-2025-21738
  * CVE-2025-38488
  * CVE-2025-68285
  * CVE-2025-68813
  * CVE-2025-71085

CVSS scores:

  * CVE-2022-50423 ( 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-2022-50423 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2022-50423 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2022-50423 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * 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-2022-50756 ( 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-2022-50756 ( 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-2025-38488 ( 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-2025-68285 ( 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:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Live Patching 12-SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves nine vulnerabilities can now be installed.

## Description:

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.250 fixes various
security issues

The following security issues were fixed:

  * CVE-2022-50423: ACPICA: Fix use-after-free in
    acpi_ut_copy_ipackage_to_ipackage() (bsc#1250785).
  * CVE-2022-50697: mrp: introduce active flags to prevent UAF when applicant
    uninit (bsc#1255595).
  * CVE-2022-50756: nvme-pci: fix mempool alloc size (bsc#1256217).
  * 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-2025-38488: smb: client: fix use-after-free in crypt_message when using
    async crypto (bsc#1247240).
  * 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 12-SP5  
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2026-953=1 SUSE-SLE-Live-
Patching-12-SP5-2026-952=1

## Package List:

  * SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
    * kgraft-patch-4_12_14-122_247-default-15-2.1
    * kgraft-patch-4_12_14-122_250-default-15-2.1

## References:

  * https://www.suse.com/security/cve/CVE-2022-50423.html
  * https://www.suse.com/security/cve/CVE-2022-50697.html
  * https://www.suse.com/security/cve/CVE-2022-50756.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-2025-38488.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=1247240
  * https://bugzilla.suse.com/show_bug.cgi?id=1250785
  * https://bugzilla.suse.com/show_bug.cgi?id=1254755
  * 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=1256217
  * 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

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