ESB-2026.5972

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.5972 Security update for the Linux Kernel (Live Patch 30 for SUSE Linux Enterprise 15 SP5) 2 June 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: Linux Kernel (Live Patch 30 for SUSE Linux Enterprise 15 SP5) Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2025-54518 CVE-2026-46333 CVE-2026-23243 CVE-2026-23274 CVE-2026-46300 CVE-2026-23317 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-20262149-1 Comment: CVSS (Max): 8.8 CVE-2026-46300 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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:C/C:H/I:H/A:H EPSS (Max): 0.3% (48th) CVE-2026-46300 2026-05-31 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for the Linux Kernel (Live Patch 30 for SUSE Linux Enterprise 15 SP5) Announcement ID: SUSE-SU-2026:2149-1 Release Date: 2026-05-31T07:07:02Z Rating: important o bsc#1259798 o bsc#1260563 o bsc#1260908 References: o bsc#1264096 o bsc#1265224 o bsc#1265384 o CVE-2025-54518 o CVE-2026-23243 o CVE-2026-23274 Cross-References: o CVE-2026-23317 o CVE-2026-46300 o CVE-2026-46333 o CVE-2025-54518 ( 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 o CVE-2025-54518 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N /S:U/C:H/I:H/A:H o CVE-2025-54518 ( NVD ): 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/E:X/CR:X/IR:X/AR:X/ MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/ MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X o CVE-2026-23243 ( 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 o CVE-2026-23243 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N /S:U/C:H/I:H/A:H o CVE-2026-23243 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2026-23274 ( 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 o CVE-2026-23274 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N /S:U/C:H/I:H/A:H o CVE-2026-23274 ( NVD ): 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-2026-23317 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:L /UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N o CVE-2026-23317 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N /S:U/C:H/I:H/A:H o CVE-2026-23317 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2026-46300 ( SUSE ): 8.6 CVSS:4.0/AV:L/AC:L/AT:N/PR:N /UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N o CVE-2026-46300 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N /S:C/C:H/I:H/A:H o CVE-2026-46300 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2026-46300 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:H o CVE-2026-46333 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N /S:U/C:H/I:H/A:H o CVE-2026-46333 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:H/A:N o CVE-2026-46333 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/ S:U/C:H/I:N/A:N o openSUSE Leap 15.5 o SUSE Linux Enterprise High Performance Computing 15 SP5 Affected o SUSE Linux Enterprise Live Patching 15-SP5 Products: o SUSE Linux Enterprise Micro 5.5 o SUSE Linux Enterprise Real Time 15 SP5 o SUSE Linux Enterprise Server 15 SP5 o SUSE Linux Enterprise Server for SAP Applications 15 SP5 An update that solves six vulnerabilities can now be installed. Description: This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.121 fixes various security issues The following security issues were fixed: o CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption (bsc#1264096). o CVE-2026-23243: RDMA/umad: Reject negative data_len in ib_umad_write (bsc# 1259798). o CVE-2026-23274: netfilter: xt_IDLETIMER: reject rev0 reuse of ALARM timer labels (bsc#1260908). o CVE-2026-23317: drm/vmwgfx: Return the correct value in vmw_translate_ptr functions (bsc#1260563). o CVE-2026-46300: FragNesia attack: another xfrm/esp based local root exploit (bsc#1265224). o CVE-2026-46333: ptrace: slightly saner 'get_dumpable()' logic (bsc# 1265384). 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 openSUSE Leap 15.5 zypper in -t patch SUSE-2026-2150=1 SUSE-2026-2151=1 SUSE-2026-2152=1 SUSE-2026-2149=1 o SUSE Linux Enterprise Live Patching 15-SP5 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-2150=1 SUSE-SLE-Module-Live-Patching-15-SP5-2026-2151=1 SUSE-SLE-Module-Live-Patching-15-SP5-2026-2152=1 SUSE-SLE-Module-Live-Patching-15-SP5-2026-2149=1 Package List: o openSUSE Leap 15.5 (ppc64le s390x x86_64) kernel-livepatch-SLE15-SP5_Update_27-debugsource-19-150500.2.1 kernel-livepatch-SLE15-SP5_Update_26-debugsource-20-150500.2.1 kernel-livepatch-5_14_21-150500_55_103-default-debuginfo-20-150500.2.1 kernel-livepatch-5_14_21-150500_55_103-default-20-150500.2.1 kernel-livepatch-5_14_21-150500_55_113-default-debuginfo-18-150500.2.1 kernel-livepatch-5_14_21-150500_55_121-default-13-150500.2.1 kernel-livepatch-5_14_21-150500_55_121-default-debuginfo-13-150500.2.1 kernel-livepatch-SLE15-SP5_Update_30-debugsource-13-150500.2.1 kernel-livepatch-5_14_21-150500_55_110-default-debuginfo-19-150500.2.1 kernel-livepatch-5_14_21-150500_55_110-default-19-150500.2.1 kernel-livepatch-SLE15-SP5_Update_28-debugsource-18-150500.2.1 kernel-livepatch-5_14_21-150500_55_113-default-18-150500.2.1 o SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64) kernel-livepatch-SLE15-SP5_Update_27-debugsource-19-150500.2.1 kernel-livepatch-SLE15-SP5_Update_26-debugsource-20-150500.2.1 kernel-livepatch-5_14_21-150500_55_103-default-debuginfo-20-150500.2.1 kernel-livepatch-5_14_21-150500_55_103-default-20-150500.2.1 kernel-livepatch-5_14_21-150500_55_113-default-debuginfo-18-150500.2.1 kernel-livepatch-5_14_21-150500_55_121-default-13-150500.2.1 kernel-livepatch-5_14_21-150500_55_121-default-debuginfo-13-150500.2.1 kernel-livepatch-SLE15-SP5_Update_30-debugsource-13-150500.2.1 kernel-livepatch-5_14_21-150500_55_110-default-debuginfo-19-150500.2.1 kernel-livepatch-5_14_21-150500_55_110-default-19-150500.2.1 kernel-livepatch-SLE15-SP5_Update_28-debugsource-18-150500.2.1 kernel-livepatch-5_14_21-150500_55_113-default-18-150500.2.1 References: o https://www.suse.com/security/cve/CVE-2025-54518.html o https://www.suse.com/security/cve/CVE-2026-23243.html o https://www.suse.com/security/cve/CVE-2026-23274.html o https://www.suse.com/security/cve/CVE-2026-23317.html o https://www.suse.com/security/cve/CVE-2026-46300.html o https://www.suse.com/security/cve/CVE-2026-46333.html o https://bugzilla.suse.com/show_bug.cgi?id=1259798 o https://bugzilla.suse.com/show_bug.cgi?id=1260563 o https://bugzilla.suse.com/show_bug.cgi?id=1260908 o https://bugzilla.suse.com/show_bug.cgi?id=1264096 o https://bugzilla.suse.com/show_bug.cgi?id=1265224 o https://bugzilla.suse.com/show_bug.cgi?id=1265384 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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