SUSE-SU-2026:1672-1: important: Security update for the Linux Kernel

SLE-UPDATES null at suse.de
Mon May 4 08:38:00 UTC 2026 


# Security update for the Linux Kernel

Announcement ID: SUSE-SU-2026:1672-1  
Release Date: 2026-05-02T06:02:59Z  
Rating: important  
References:

  * bsc#1262573

  
Cross-References:

  * CVE-2026-31431

  
CVSS scores:

  * CVE-2026-31431 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-31431 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * openSUSE Leap 15.4
  * SUSE Linux Enterprise High Availability Extension 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise Live Patching 15-SP4
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4
  * SUSE Linux Enterprise Real Time 15 SP4
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Manager Proxy 4.3
  * SUSE Manager Retail Branch Server 4.3
  * SUSE Manager Server 4.3

  
  
An update that solves one vulnerability can now be installed.

## Description:

The SUSE Linux Enterprise 15 SP4 kernel was updated to fix one security issue.

The following security issue was fixed:

  * CVE-2026-31431: The copy.fail security issue is fixed by revert to operating
    out-of-place in algif_aead (bsc#1262573)

## 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:

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-1672=1

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-1672=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-1672=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-1672=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-1672=1

  * SUSE Linux Enterprise High Availability Extension 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HA-15-SP4-2026-1672=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1672=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1672=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1672=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-1672=1

  * SUSE Linux Enterprise Live Patching 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-1672=1

## Package List:

  * openSUSE Leap 15.4 (noarch nosrc)
    * kernel-docs-5.14.21-150400.24.205.1
  * openSUSE Leap 15.4 (noarch)
    * kernel-macros-5.14.21-150400.24.205.1
    * kernel-source-vanilla-5.14.21-150400.24.205.1
    * kernel-source-5.14.21-150400.24.205.1
    * kernel-docs-html-5.14.21-150400.24.205.1
    * kernel-devel-5.14.21-150400.24.205.1
  * openSUSE Leap 15.4 (aarch64 ppc64le x86_64)
    * kernel-kvmsmall-devel-5.14.21-150400.24.205.1
    * kernel-kvmsmall-debugsource-5.14.21-150400.24.205.1
    * kernel-kvmsmall-devel-debuginfo-5.14.21-150400.24.205.1
    * kernel-kvmsmall-debuginfo-5.14.21-150400.24.205.1
    * kernel-default-base-rebuild-5.14.21-150400.24.205.1.150400.24.104.2
    * kernel-default-base-5.14.21-150400.24.205.1.150400.24.104.2
  * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)
    * kernel-default-debugsource-5.14.21-150400.24.205.1
    * kernel-default-livepatch-5.14.21-150400.24.205.1
    * kernel-default-extra-5.14.21-150400.24.205.1
    * cluster-md-kmp-default-debuginfo-5.14.21-150400.24.205.1
    * dlm-kmp-default-5.14.21-150400.24.205.1
    * ocfs2-kmp-default-debuginfo-5.14.21-150400.24.205.1
    * kernel-obs-build-5.14.21-150400.24.205.1
    * kernel-default-optional-debuginfo-5.14.21-150400.24.205.1
    * ocfs2-kmp-default-5.14.21-150400.24.205.1
    * dlm-kmp-default-debuginfo-5.14.21-150400.24.205.1
    * reiserfs-kmp-default-debuginfo-5.14.21-150400.24.205.1
    * kernel-default-extra-debuginfo-5.14.21-150400.24.205.1
    * gfs2-kmp-default-debuginfo-5.14.21-150400.24.205.1
    * reiserfs-kmp-default-5.14.21-150400.24.205.1
    * kernel-default-devel-debuginfo-5.14.21-150400.24.205.1
    * kselftests-kmp-default-5.14.21-150400.24.205.1
    * kernel-syms-5.14.21-150400.24.205.1
    * kselftests-kmp-default-debuginfo-5.14.21-150400.24.205.1
    * kernel-default-devel-5.14.21-150400.24.205.1
    * cluster-md-kmp-default-5.14.21-150400.24.205.1
    * kernel-default-debuginfo-5.14.21-150400.24.205.1
    * kernel-default-optional-5.14.21-150400.24.205.1
    * kernel-obs-build-debugsource-5.14.21-150400.24.205.1
    * gfs2-kmp-default-5.14.21-150400.24.205.1
    * kernel-obs-qa-5.14.21-150400.24.205.1
  * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 nosrc)
    * kernel-default-5.14.21-150400.24.205.1
  * openSUSE Leap 15.4 (ppc64le s390x x86_64)
    * kernel-default-livepatch-devel-5.14.21-150400.24.205.1
    * kernel-livepatch-5_14_21-150400_24_205-default-debuginfo-1-150400.9.5.1
    * kernel-livepatch-5_14_21-150400_24_205-default-1-150400.9.5.1
    * kernel-livepatch-SLE15-SP4_Update_51-debugsource-1-150400.9.5.1
  * openSUSE Leap 15.4 (aarch64 nosrc ppc64le x86_64)
    * kernel-kvmsmall-5.14.21-150400.24.205.1
  * openSUSE Leap 15.4 (nosrc s390x)
    * kernel-zfcpdump-5.14.21-150400.24.205.1
  * openSUSE Leap 15.4 (s390x)
    * kernel-zfcpdump-debuginfo-5.14.21-150400.24.205.1
    * kernel-zfcpdump-debugsource-5.14.21-150400.24.205.1
  * openSUSE Leap 15.4 (nosrc)
    * dtb-aarch64-5.14.21-150400.24.205.1
  * openSUSE Leap 15.4 (aarch64)
    * dtb-exynos-5.14.21-150400.24.205.1
    * dtb-qcom-5.14.21-150400.24.205.1
    * dtb-allwinner-5.14.21-150400.24.205.1
    * ocfs2-kmp-64kb-debuginfo-5.14.21-150400.24.205.1
    * kselftests-kmp-64kb-debuginfo-5.14.21-150400.24.205.1
    * cluster-md-kmp-64kb-debuginfo-5.14.21-150400.24.205.1
    * dtb-mediatek-5.14.21-150400.24.205.1
    * gfs2-kmp-64kb-5.14.21-150400.24.205.1
    * kselftests-kmp-64kb-5.14.21-150400.24.205.1
    * kernel-64kb-extra-debuginfo-5.14.21-150400.24.205.1
    * dtb-rockchip-5.14.21-150400.24.205.1
    * dtb-hisilicon-5.14.21-150400.24.205.1
    * dtb-amd-5.14.21-150400.24.205.1
    * dtb-apple-5.14.21-150400.24.205.1
    * kernel-64kb-optional-debuginfo-5.14.21-150400.24.205.1
    * dtb-amlogic-5.14.21-150400.24.205.1
    * dtb-cavium-5.14.21-150400.24.205.1
    * dtb-renesas-5.14.21-150400.24.205.1
    * dtb-nvidia-5.14.21-150400.24.205.1
    * dtb-broadcom-5.14.21-150400.24.205.1
    * dtb-lg-5.14.21-150400.24.205.1
    * dtb-freescale-5.14.21-150400.24.205.1
    * dlm-kmp-64kb-debuginfo-5.14.21-150400.24.205.1
    * ocfs2-kmp-64kb-5.14.21-150400.24.205.1
    * dtb-socionext-5.14.21-150400.24.205.1
    * cluster-md-kmp-64kb-5.14.21-150400.24.205.1
    * dlm-kmp-64kb-5.14.21-150400.24.205.1
    * kernel-64kb-devel-debuginfo-5.14.21-150400.24.205.1
    * kernel-64kb-debugsource-5.14.21-150400.24.205.1
    * dtb-amazon-5.14.21-150400.24.205.1
    * dtb-apm-5.14.21-150400.24.205.1
    * kernel-64kb-optional-5.14.21-150400.24.205.1
    * reiserfs-kmp-64kb-5.14.21-150400.24.205.1
    * dtb-altera-5.14.21-150400.24.205.1
    * reiserfs-kmp-64kb-debuginfo-5.14.21-150400.24.205.1
    * dtb-xilinx-5.14.21-150400.24.205.1
    * kernel-64kb-devel-5.14.21-150400.24.205.1
    * dtb-sprd-5.14.21-150400.24.205.1
    * dtb-arm-5.14.21-150400.24.205.1
    * kernel-64kb-extra-5.14.21-150400.24.205.1
    * gfs2-kmp-64kb-debuginfo-5.14.21-150400.24.205.1
    * dtb-marvell-5.14.21-150400.24.205.1
    * kernel-64kb-debuginfo-5.14.21-150400.24.205.1
  * openSUSE Leap 15.4 (aarch64 nosrc)
    * kernel-64kb-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 nosrc s390x x86_64)
    * kernel-default-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 x86_64)
    * kernel-default-base-5.14.21-150400.24.205.1.150400.24.104.2
  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * kernel-default-debugsource-5.14.21-150400.24.205.1
    * kernel-default-debuginfo-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (noarch)
    * kernel-macros-5.14.21-150400.24.205.1
    * kernel-source-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 nosrc s390x x86_64)
    * kernel-default-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 x86_64)
    * kernel-default-base-5.14.21-150400.24.205.1.150400.24.104.2
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * kernel-default-debugsource-5.14.21-150400.24.205.1
    * kernel-default-debuginfo-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Micro 5.3 (noarch)
    * kernel-macros-5.14.21-150400.24.205.1
    * kernel-source-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 nosrc s390x x86_64)
    * kernel-default-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 x86_64)
    * kernel-default-base-5.14.21-150400.24.205.1.150400.24.104.2
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * kernel-default-debugsource-5.14.21-150400.24.205.1
    * kernel-default-debuginfo-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (noarch)
    * kernel-macros-5.14.21-150400.24.205.1
    * kernel-source-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 nosrc s390x x86_64)
    * kernel-default-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 x86_64)
    * kernel-default-base-5.14.21-150400.24.205.1.150400.24.104.2
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * kernel-default-debugsource-5.14.21-150400.24.205.1
    * kernel-default-debuginfo-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Micro 5.4 (noarch)
    * kernel-macros-5.14.21-150400.24.205.1
    * kernel-source-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise High Availability Extension 15 SP4 (aarch64 ppc64le
    s390x x86_64)
    * ocfs2-kmp-default-5.14.21-150400.24.205.1
    * kernel-default-debugsource-5.14.21-150400.24.205.1
    * dlm-kmp-default-debuginfo-5.14.21-150400.24.205.1
    * gfs2-kmp-default-debuginfo-5.14.21-150400.24.205.1
    * gfs2-kmp-default-5.14.21-150400.24.205.1
    * cluster-md-kmp-default-5.14.21-150400.24.205.1
    * kernel-default-debuginfo-5.14.21-150400.24.205.1
    * dlm-kmp-default-5.14.21-150400.24.205.1
    * cluster-md-kmp-default-debuginfo-5.14.21-150400.24.205.1
    * ocfs2-kmp-default-debuginfo-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise High Availability Extension 15 SP4 (nosrc)
    * kernel-default-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    nosrc)
    * kernel-64kb-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64)
    * kernel-64kb-debugsource-5.14.21-150400.24.205.1
    * kernel-64kb-debuginfo-5.14.21-150400.24.205.1
    * kernel-64kb-devel-5.14.21-150400.24.205.1
    * kernel-64kb-devel-debuginfo-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 nosrc
    x86_64)
    * kernel-default-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * kernel-syms-5.14.21-150400.24.205.1
    * kernel-default-debugsource-5.14.21-150400.24.205.1
    * kernel-obs-build-5.14.21-150400.24.205.1
    * kernel-default-devel-5.14.21-150400.24.205.1
    * reiserfs-kmp-default-debuginfo-5.14.21-150400.24.205.1
    * kernel-default-debuginfo-5.14.21-150400.24.205.1
    * kernel-obs-build-debugsource-5.14.21-150400.24.205.1
    * reiserfs-kmp-default-5.14.21-150400.24.205.1
    * kernel-default-base-5.14.21-150400.24.205.1.150400.24.104.2
    * kernel-default-devel-debuginfo-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch)
    * kernel-devel-5.14.21-150400.24.205.1
    * kernel-macros-5.14.21-150400.24.205.1
    * kernel-source-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch nosrc)
    * kernel-docs-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 nosrc)
    * kernel-64kb-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64)
    * kernel-64kb-debugsource-5.14.21-150400.24.205.1
    * kernel-64kb-debuginfo-5.14.21-150400.24.205.1
    * kernel-64kb-devel-5.14.21-150400.24.205.1
    * kernel-64kb-devel-debuginfo-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 nosrc
    x86_64)
    * kernel-default-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * kernel-syms-5.14.21-150400.24.205.1
    * kernel-default-debugsource-5.14.21-150400.24.205.1
    * kernel-obs-build-5.14.21-150400.24.205.1
    * kernel-default-devel-5.14.21-150400.24.205.1
    * reiserfs-kmp-default-debuginfo-5.14.21-150400.24.205.1
    * kernel-default-debuginfo-5.14.21-150400.24.205.1
    * kernel-obs-build-debugsource-5.14.21-150400.24.205.1
    * reiserfs-kmp-default-5.14.21-150400.24.205.1
    * kernel-default-base-5.14.21-150400.24.205.1.150400.24.104.2
    * kernel-default-devel-debuginfo-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch)
    * kernel-devel-5.14.21-150400.24.205.1
    * kernel-macros-5.14.21-150400.24.205.1
    * kernel-source-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch nosrc)
    * kernel-docs-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 nosrc)
    * kernel-64kb-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64)
    * kernel-64kb-debugsource-5.14.21-150400.24.205.1
    * kernel-64kb-debuginfo-5.14.21-150400.24.205.1
    * kernel-64kb-devel-5.14.21-150400.24.205.1
    * kernel-64kb-devel-debuginfo-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64
    nosrc)
    * kernel-default-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le x86_64)
    * kernel-default-base-5.14.21-150400.24.205.1.150400.24.104.2
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * kernel-syms-5.14.21-150400.24.205.1
    * kernel-default-debugsource-5.14.21-150400.24.205.1
    * kernel-default-devel-5.14.21-150400.24.205.1
    * reiserfs-kmp-default-debuginfo-5.14.21-150400.24.205.1
    * kernel-default-debuginfo-5.14.21-150400.24.205.1
    * kernel-obs-build-debugsource-5.14.21-150400.24.205.1
    * reiserfs-kmp-default-5.14.21-150400.24.205.1
    * kernel-obs-build-5.14.21-150400.24.205.1
    * kernel-default-devel-debuginfo-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (noarch)
    * kernel-devel-5.14.21-150400.24.205.1
    * kernel-macros-5.14.21-150400.24.205.1
    * kernel-source-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (noarch nosrc)
    * kernel-docs-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (nosrc s390x)
    * kernel-zfcpdump-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (s390x)
    * kernel-zfcpdump-debuginfo-5.14.21-150400.24.205.1
    * kernel-zfcpdump-debugsource-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (nosrc ppc64le
    x86_64)
    * kernel-default-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * kernel-syms-5.14.21-150400.24.205.1
    * kernel-default-debugsource-5.14.21-150400.24.205.1
    * kernel-obs-build-5.14.21-150400.24.205.1
    * kernel-default-devel-5.14.21-150400.24.205.1
    * reiserfs-kmp-default-debuginfo-5.14.21-150400.24.205.1
    * kernel-default-debuginfo-5.14.21-150400.24.205.1
    * kernel-obs-build-debugsource-5.14.21-150400.24.205.1
    * reiserfs-kmp-default-5.14.21-150400.24.205.1
    * kernel-default-base-5.14.21-150400.24.205.1.150400.24.104.2
    * kernel-default-devel-debuginfo-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch)
    * kernel-devel-5.14.21-150400.24.205.1
    * kernel-macros-5.14.21-150400.24.205.1
    * kernel-source-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch nosrc)
    * kernel-docs-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Live Patching 15-SP4 (nosrc)
    * kernel-default-5.14.21-150400.24.205.1
  * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP4_Update_51-debugsource-1-150400.9.5.1
    * kernel-livepatch-5_14_21-150400_24_205-default-debuginfo-1-150400.9.5.1
    * kernel-default-debugsource-5.14.21-150400.24.205.1
    * kernel-default-livepatch-5.14.21-150400.24.205.1
    * kernel-default-livepatch-devel-5.14.21-150400.24.205.1
    * kernel-livepatch-5_14_21-150400_24_205-default-1-150400.9.5.1
    * kernel-default-debuginfo-5.14.21-150400.24.205.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-31431.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1262573

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