ESB-2026.4569

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.4569 Security update for the Linux Kernel 5 May 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: Linux Kernel Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2026-31431 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-20261669-1 Comment: CVSS (Max): 7.8 CVE-2026-31431 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H The following are listed in the CISA Known Exploited Vulnerabilities (KEV) Catalog: CISA KEV CVE(s): CVE-2026-31431 CISA KEV URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog EPSS (Max): 4.0% (88th) CVE-2026-31431 2026-05-03 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for the Linux Kernel Announcement ID: SUSE-SU-2026:1669-1 Release Date: 2026-05-02T06:12:42Z Rating: important References: o bsc#1262573 Cross-References: o CVE-2026-31431 o 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 CVSS scores: o 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 o Basesystem Module 15-SP7 o Development Tools Module 15-SP7 o Legacy Module 15-SP7 o Public Cloud Module 15-SP7 o SUSE Linux Enterprise Desktop 15 SP7 o SUSE Linux Enterprise High Availability Extension 15 SP7 o SUSE Linux Enterprise High Performance Computing 12 SP5 o SUSE Linux Enterprise Live Patching 12-SP5 Affected o SUSE Linux Enterprise Live Patching 15-SP7 Products: o SUSE Linux Enterprise Real Time 15 SP7 o SUSE Linux Enterprise Server 12 SP5 o SUSE Linux Enterprise Server 12 SP5 LTSS o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security o SUSE Linux Enterprise Server 15 SP7 o SUSE Linux Enterprise Server for SAP Applications 12 SP5 o SUSE Linux Enterprise Server for SAP Applications 15 SP7 o SUSE Linux Enterprise Workstation Extension 15 SP7 An update that solves one vulnerability can now be installed. Description: The SUSE Linux Enterprise 15 SP7 kernel was updated to fix one security issue The following security issue was fixed: o 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: o 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: o Development Tools Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP7-2026-1673=1 o Legacy Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Legacy-15-SP7-2026-1673=1 o Public Cloud Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP7-2026-1673=1 o SUSE Linux Enterprise High Availability Extension 15 SP7 zypper in -t patch SUSE-SLE-Product-HA-15-SP7-2026-1673=1 o SUSE Linux Enterprise Workstation Extension 15 SP7 zypper in -t patch SUSE-SLE-Product-WE-15-SP7-2026-1673=1 o SUSE Linux Enterprise Live Patching 15-SP7 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-1673=1 Please note that this is the initial kernel livepatch without fixes itself, this package is later updated by separate standalone kernel livepatch updates. o SUSE Linux Enterprise Server 12 SP5 LTSS zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1669=1 o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1669= 1 o SUSE Linux Enterprise Live Patching 12-SP5 zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2026-1669=1 Please note that this is the initial kernel livepatch without fixes itself, this package is later updated by separate standalone kernel livepatch updates. o Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1673=1 Package List: o Development Tools Module 15-SP7 (noarch nosrc) kernel-docs-6.4.0-150700.53.40.1 o Development Tools Module 15-SP7 (aarch64 ppc64le s390x x86_64) kernel-obs-build-6.4.0-150700.53.40.1 kernel-obs-build-debugsource-6.4.0-150700.53.40.1 kernel-syms-6.4.0-150700.53.40.1 o Development Tools Module 15-SP7 (noarch) kernel-source-6.4.0-150700.53.40.1 o Legacy Module 15-SP7 (nosrc) kernel-default-6.4.0-150700.53.40.1 o Legacy Module 15-SP7 (aarch64 ppc64le s390x x86_64) reiserfs-kmp-default-debuginfo-6.4.0-150700.53.40.1 reiserfs-kmp-default-6.4.0-150700.53.40.1 kernel-default-debuginfo-6.4.0-150700.53.40.1 kernel-default-debugsource-6.4.0-150700.53.40.1 o Public Cloud Module 15-SP7 (aarch64 nosrc x86_64) kernel-azure-6.4.0-150700.53.40.1 o Public Cloud Module 15-SP7 (aarch64 x86_64) kernel-azure-devel-debuginfo-6.4.0-150700.53.40.1 kernel-azure-debugsource-6.4.0-150700.53.40.1 kernel-azure-devel-6.4.0-150700.53.40.1 kernel-azure-debuginfo-6.4.0-150700.53.40.1 o SUSE Linux Enterprise High Availability Extension 15 SP7 (aarch64 ppc64le s390x x86_64) dlm-kmp-default-debuginfo-6.4.0-150700.53.40.1 gfs2-kmp-default-6.4.0-150700.53.40.1 kernel-default-debuginfo-6.4.0-150700.53.40.1 kernel-default-debugsource-6.4.0-150700.53.40.1 ocfs2-kmp-default-debuginfo-6.4.0-150700.53.40.1 cluster-md-kmp-default-debuginfo-6.4.0-150700.53.40.1 gfs2-kmp-default-debuginfo-6.4.0-150700.53.40.1 cluster-md-kmp-default-6.4.0-150700.53.40.1 dlm-kmp-default-6.4.0-150700.53.40.1 ocfs2-kmp-default-6.4.0-150700.53.40.1 o SUSE Linux Enterprise High Availability Extension 15 SP7 (nosrc) kernel-default-6.4.0-150700.53.40.1 o SUSE Linux Enterprise Workstation Extension 15 SP7 (nosrc) kernel-default-6.4.0-150700.53.40.1 o SUSE Linux Enterprise Workstation Extension 15 SP7 (x86_64) kernel-default-extra-debuginfo-6.4.0-150700.53.40.1 kernel-default-extra-6.4.0-150700.53.40.1 kernel-default-debuginfo-6.4.0-150700.53.40.1 kernel-default-debugsource-6.4.0-150700.53.40.1 o SUSE Linux Enterprise Live Patching 15-SP7 (nosrc) kernel-default-6.4.0-150700.53.40.1 o SUSE Linux Enterprise Live Patching 15-SP7 (ppc64le s390x x86_64) kernel-default-debuginfo-6.4.0-150700.53.40.1 kernel-default-debugsource-6.4.0-150700.53.40.1 kernel-livepatch-SLE15-SP7_Update_12-debugsource-1-150700.15.3.1 kernel-default-livepatch-devel-6.4.0-150700.53.40.1 kernel-livepatch-6_4_0-150700_53_40-default-1-150700.15.3.1 kernel-default-livepatch-6.4.0-150700.53.40.1 kernel-livepatch-6_4_0-150700_53_40-default-debuginfo-1-150700.15.3.1 o SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64) kernel-default-debuginfo-4.12.14-122.302.1 dlm-kmp-default-debuginfo-4.12.14-122.302.1 kernel-default-base-debuginfo-4.12.14-122.302.1 kernel-default-devel-4.12.14-122.302.1 dlm-kmp-default-4.12.14-122.302.1 kernel-default-debugsource-4.12.14-122.302.1 ocfs2-kmp-default-4.12.14-122.302.1 cluster-md-kmp-default-debuginfo-4.12.14-122.302.1 kernel-default-base-4.12.14-122.302.1 gfs2-kmp-default-4.12.14-122.302.1 kernel-syms-4.12.14-122.302.1 ocfs2-kmp-default-debuginfo-4.12.14-122.302.1 gfs2-kmp-default-debuginfo-4.12.14-122.302.1 cluster-md-kmp-default-4.12.14-122.302.1 o SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64 nosrc) kernel-default-4.12.14-122.302.1 o SUSE Linux Enterprise Server 12 SP5 LTSS (noarch) kernel-source-4.12.14-122.302.1 kernel-macros-4.12.14-122.302.1 kernel-devel-4.12.14-122.302.1 o SUSE Linux Enterprise Server 12 SP5 LTSS (s390x) kernel-default-man-4.12.14-122.302.1 o SUSE Linux Enterprise Server 12 SP5 LTSS (x86_64) kernel-default-devel-debuginfo-4.12.14-122.302.1 o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64) kernel-default-debuginfo-4.12.14-122.302.1 dlm-kmp-default-debuginfo-4.12.14-122.302.1 kernel-default-base-debuginfo-4.12.14-122.302.1 kernel-default-devel-4.12.14-122.302.1 dlm-kmp-default-4.12.14-122.302.1 kernel-default-debugsource-4.12.14-122.302.1 kernel-default-devel-debuginfo-4.12.14-122.302.1 ocfs2-kmp-default-4.12.14-122.302.1 cluster-md-kmp-default-debuginfo-4.12.14-122.302.1 kernel-default-base-4.12.14-122.302.1 gfs2-kmp-default-4.12.14-122.302.1 kernel-syms-4.12.14-122.302.1 ocfs2-kmp-default-debuginfo-4.12.14-122.302.1 gfs2-kmp-default-debuginfo-4.12.14-122.302.1 cluster-md-kmp-default-4.12.14-122.302.1 o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (nosrc x86_64) kernel-default-4.12.14-122.302.1 o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch) kernel-source-4.12.14-122.302.1 kernel-macros-4.12.14-122.302.1 kernel-devel-4.12.14-122.302.1 o SUSE Linux Enterprise Live Patching 12-SP5 (nosrc) kernel-default-4.12.14-122.302.1 o SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64) kernel-default-debuginfo-4.12.14-122.302.1 kgraft-patch-4_12_14-122_302-default-1-8.3.1 kernel-default-kgraft-devel-4.12.14-122.302.1 kernel-default-debugsource-4.12.14-122.302.1 kernel-default-kgraft-4.12.14-122.302.1 o Basesystem Module 15-SP7 (aarch64 nosrc) kernel-64kb-6.4.0-150700.53.40.1 o Basesystem Module 15-SP7 (aarch64) kernel-64kb-devel-debuginfo-6.4.0-150700.53.40.1 kernel-64kb-debugsource-6.4.0-150700.53.40.1 kernel-64kb-devel-6.4.0-150700.53.40.1 kernel-64kb-debuginfo-6.4.0-150700.53.40.1 o Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64 nosrc) kernel-default-6.4.0-150700.53.40.1 o Basesystem Module 15-SP7 (aarch64 ppc64le x86_64) kernel-default-base-6.4.0-150700.53.40.1.150700.17.27.1 o Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64) kernel-default-devel-6.4.0-150700.53.40.1 kernel-default-devel-debuginfo-6.4.0-150700.53.40.1 kernel-default-debuginfo-6.4.0-150700.53.40.1 kernel-default-debugsource-6.4.0-150700.53.40.1 o Basesystem Module 15-SP7 (noarch) kernel-macros-6.4.0-150700.53.40.1 kernel-devel-6.4.0-150700.53.40.1 o Basesystem Module 15-SP7 (nosrc s390x) kernel-zfcpdump-6.4.0-150700.53.40.1 o Basesystem Module 15-SP7 (s390x) kernel-zfcpdump-debugsource-6.4.0-150700.53.40.1 kernel-zfcpdump-debuginfo-6.4.0-150700.53.40.1 References: o https://www.suse.com/security/cve/CVE-2026-31431.html o https://bugzilla.suse.com/show_bug.cgi?id=1262573 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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