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SUSE Linux Enterprise 16 Core Key Security Update SUSE-SU-2026-21501-6

An update that solves two vulnerabilities can now be installed.. # Security update for the Linux Kernel (Live Patch 0 for SUSE Linux Enterprise 16) Announcement ID: SUSE-SU-2026:21385-1 Release Date: 2026-04-22T23:22:40Z Rating: important References: * bsc#1255066 * bsc#1259859 Cross-References: * CVE-2025-40309 * CVE-2026-23268 CVSS scores: * CVE-2025-40309 ( 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-2025-40309 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-23268 ( 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-2026-23268 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-23268 ( 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 Server 16.0 * SUSE Linux Enterprise Server for SAP applications 16.0 An update that solves two vulnerabilities can now be installed. ## Description: This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.5.1 fixes various security issues The following security issues were fixed: * CVE-2025-40309: Bluetooth: SCO: Fix UAF on sco_conn_free (bsc#1255066). * CVE-2026-23268: apparmor: fix unprivileged local user can do privileged policy management (bsc#1259859). ## 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 Server for SAP applications 16.0 zypper in -t patch SUSE-SLES-16.0-630=1 * SUSE Linux Enterprise Server 16.0 zypper in -t patch SUSE-SLES-16.0-630=1 ## Package List: * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64) * kernel-livepatch-6_12_0-160000_5-default-10-160000.4.3 * kernel-livepatch-6_12_0-160000_5-default-debuginfo-10-160000.4.3 * kernel-livepatch-SLE16_Update_0-debugsource-10-160000.4.3 *SUSE Linux Enterprise Server 16.0 (ppc64le s390x x86_64) * kernel-livepatch-6_12_0-160000_5-default-10-160000.4.3 * kernel-livepatch-6_12_0-160000_5-default-debuginfo-10-160000.4.3 * kernel-livepatch-SLE16_Update_0-debugsource-10-160000.4.3 ## References: * https://www.suse.com/security/cve/CVE-2025-40309.html * https://www.suse.com/security/cve/CVE-2026-23268.html * https://bugzilla.suse.com/show_bug.cgi?id=1255066 * https://bugzilla.suse.com/show_bug.cgi?id=1259859 . SUSE Linux Enterprise Security Advisory for kernel update fixing important vulnerabilities regarding Bluetooth and AppArmor.. SUSE Linux Kernel Update, Important Security Advisory, Local Privilege Escalation, Bluetooth UAF Safety. . Severity: Important. LinuxSecurity.com Team

Apr 28, 2026 •Important SuSE