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SUSE Live Patch 72 Important Kernel Vulnerability Fix 2026-2603-1

An update that solves four vulnerabilities can now be installed.. # Security update for the Linux Kernel (Live Patch 72 for SUSE Linux Enterprise 12 SP5) Announcement ID: SUSE-SU-2026:2603-1 Release Date: 2026-06-23T18:04:22Z Rating: important References: * bsc#1261640 * bsc#1263088 * bsc#1266229 * bsc#1268282 Cross-References: * CVE-2026-31402 * CVE-2026-31504 * CVE-2026-43503 * CVE-2026-46323 CVSS scores: * CVE-2026-31402 ( SUSE ): 8.8 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N * CVE-2026-31402 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H * CVE-2026-31402 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2026-31504 ( 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-2026-31504 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-31504 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43503 ( 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-2026-43503 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H * CVE-2026-43503 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H * CVE-2026-46323 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-46323 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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 four vulnerabilities can now be installed. ## Description: This update for the SUSE Linux Enterprise Kernel 4.12.14-122.272 fixes various security issues The following security issues were fixed: * CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache (bsc#1261640). * CVE-2026-31504: net: fix fanout UAF in packet_release() via NETDEV_UP race (bsc#1263088). *CVE-2026-43503: final dirty.frag related fixes (bsc#1266229). * CVE-2026-46323: net: gro: don't merge zcopy skbs (bsc#1268282). ## 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-SP5-2026-2603=1 SUSE-SLE-Live- Patching-12-SP5-2026-2600=1 ## Package List: * SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64) * kgraft-patch-4_12_14-122_302-default-4-2.1 * kgraft-patch-4_12_14-122_272-default-13-2.1 ## References: * https://www.suse.com/security/cve/CVE-2026-31402.html * https://www.suse.com/security/cve/CVE-2026-31504.html * https://www.suse.com/security/cve/CVE-2026-43503.html * https://www.suse.com/security/cve/CVE-2026-46323.html * https://bugzilla.suse.com/show_bug.cgi?id=1261640 * https://bugzilla.suse.com/show_bug.cgi?id=1263088 * https://bugzilla.suse.com/show_bug.cgi?id=1266229 * https://bugzilla.suse.com/show_bug.cgi?id=1268282 . Important security update for SUSE Linux Kernel to fix multiple vulnerabilities and enhance system integrity.. SUSE Linux Kernel Update, Important Kernel Fix, Security Patching SUSE, System Security Update. . Severity: Important. LinuxSecurity.com Team

Jun 24, 2026 •Important SuSE