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SUSE Kernel Important Security Update 2026-2317-1 addressing 10 issues

An update that solves 10 vulnerabilities can now be installed.. # Security update for the Linux Kernel Announcement ID: SUSE-SU-2026:2317-1 Release Date: 2026-06-09T13:20:54Z Rating: important References: * bsc#1260018 * bsc#1261638 * bsc#1263600 * bsc#1263668 * bsc#1263995 * bsc#1264634 * bsc#1264848 * bsc#1265126 * bsc#1266001 Cross-References: * CVE-2026-23271 * CVE-2026-31402 * CVE-2026-31607 * CVE-2026-31685 * CVE-2026-43037 * CVE-2026-43126 * CVE-2026-43190 * CVE-2026-43437 * CVE-2026-43499 * CVE-2026-46243 CVSS scores: * CVE-2026-23271 ( SUSE ): 5.8 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N * CVE-2026-23271 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H * CVE-2026-23271 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * 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-2026-31607 ( SUSE ): 7.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-31607 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H * CVE-2026-31607 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2026-31685 ( SUSE ): 8.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N * CVE-2026-31685 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H * CVE-2026-31685 ( NVD ): 9.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H * CVE-2026-43037 ( SUSE ): 7.7 CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-43037 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43037 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43126 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-43126 ( SUSE ): 7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43126 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43190 ( SUSE ): 8.8 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N * CVE-2026-43190 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H * CVE-2026-43190 ( NVD ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H * CVE-2026-43437 ( 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-2026-43437 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43437 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43499 ( 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-2026-43499 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43499 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-46243 ( 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-2026-46243 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-46243 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-46243 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Affected Products: * SUSE Linux Enterprise Server 11 SP4 * SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE An update that solves 10 vulnerabilities can now be installed. ## Description: The SUSE Linux Enterprise 11 SP4 kernel was updated to fix various security issues The following security issues were fixed: * CVE-2026-23271: perf: Fix __perf_event_overflow() vs perf_remove_from_context() race (bsc#1260018). * CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache (bsc#1261638). * CVE-2026-31607: usbip: validate number_of_packets in usbip_pack_ret_submit() (bsc#1263600). * CVE-2026-31685: netfilter: ip6t_eui64: reject invalid MAC header for all packets (bsc#1263668). * CVE-2026-43037: ip6_tunnel: clear skb2-> cb in ip4ip6_err()(bsc#1263995). * CVE-2026-43126: ALSA: mixer: oss: Add card disconnect checkpoints (bsc#1264634). * CVE-2026-43190: netfilter: xt_tcpmss: check remaining length before reading optlen (bsc#1264848). * CVE-2026-43437: ALSA: pcm: fix use-after-free on linked stream runtime in snd_pcm_drain() (bsc#1265126). * CVE-2026-43499: rtmutex: Use waiter::task instead of current in remove_waiter() (bsc#1266001). ## 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: * SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE zypper in -t patch SUSE-SLE-SERVER-11-SP4-LTSS-EXTREME-CORE-2026-2317=1 * SUSE Linux Enterprise Server 11 SP4 zypper in -t patch SUSE-SLE-SERVER-11-SP4-LTSS-EXTREME-CORE-2026-2317=1 ## Package List: * SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE (nosrc x86_64) * kernel-default-3.0.101-108.210.1 * kernel-ec2-3.0.101-108.210.1 * kernel-trace-3.0.101-108.210.1 * kernel-xen-3.0.101-108.210.1 * SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE (x86_64) * kernel-trace-base-3.0.101-108.210.1 * kernel-ec2-debugsource-3.0.101-108.210.1 * kernel-default-devel-debuginfo-3.0.101-108.210.1 * kernel-xen-debuginfo-3.0.101-108.210.1 * kernel-xen-base-3.0.101-108.210.1 * kernel-syms-3.0.101-108.210.1 * kernel-default-debuginfo-3.0.101-108.210.1 * kernel-trace-devel-3.0.101-108.210.1 * kernel-trace-debuginfo-3.0.101-108.210.1 * kernel-default-devel-3.0.101-108.210.1 * kernel-ec2-base-3.0.101-108.210.1 * kernel-ec2-devel-debuginfo-3.0.101-108.210.1 * kernel-xen-debugsource-3.0.101-108.210.1 * kernel-trace-debugsource-3.0.101-108.210.1 * kernel-trace-devel-debuginfo-3.0.101-108.210.1 * kernel-xen-devel-3.0.101-108.210.1 *kernel-source-3.0.101-108.210.1 * kernel-ec2-debuginfo-3.0.101-108.210.1 * kernel-xen-devel-debuginfo-3.0.101-108.210.1 * kernel-default-debugsource-3.0.101-108.210.1 * kernel-ec2-devel-3.0.101-108.210.1 * kernel-default-base-3.0.101-108.210.1 * SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE (noarch nosrc) * kernel-docs-3.0.101-108.210.1 * SUSE Linux Enterprise Server 11 SP4 (nosrc x86_64) * kernel-default-3.0.101-108.210.1 * kernel-ec2-3.0.101-108.210.1 * kernel-trace-3.0.101-108.210.1 * kernel-xen-3.0.101-108.210.1 * SUSE Linux Enterprise Server 11 SP4 (x86_64) * kernel-trace-base-3.0.101-108.210.1 * kernel-ec2-debugsource-3.0.101-108.210.1 * kernel-default-devel-debuginfo-3.0.101-108.210.1 * kernel-xen-debuginfo-3.0.101-108.210.1 * kernel-xen-base-3.0.101-108.210.1 * kernel-syms-3.0.101-108.210.1 * kernel-default-debuginfo-3.0.101-108.210.1 * kernel-trace-devel-3.0.101-108.210.1 * kernel-trace-debuginfo-3.0.101-108.210.1 * kernel-default-devel-3.0.101-108.210.1 * kernel-ec2-base-3.0.101-108.210.1 * kernel-ec2-devel-debuginfo-3.0.101-108.210.1 * kernel-xen-debugsource-3.0.101-108.210.1 * kernel-trace-debugsource-3.0.101-108.210.1 * kernel-trace-devel-debuginfo-3.0.101-108.210.1 * kernel-xen-devel-3.0.101-108.210.1 * kernel-source-3.0.101-108.210.1 * kernel-ec2-debuginfo-3.0.101-108.210.1 * kernel-xen-devel-debuginfo-3.0.101-108.210.1 * kernel-default-debugsource-3.0.101-108.210.1 * kernel-ec2-devel-3.0.101-108.210.1 * kernel-default-base-3.0.101-108.210.1 * SUSE Linux Enterprise Server 11 SP4 (noarch nosrc) * kernel-docs-3.0.101-108.210.1 ## References: * https://www.suse.com/security/cve/CVE-2026-23271.html * https://www.suse.com/security/cve/CVE-2026-31402.html * https://www.suse.com/security/cve/CVE-2026-31607.html * https://www.suse.com/security/cve/CVE-2026-31685.html * https://www.suse.com/security/cve/CVE-2026-43037.html *https://www.suse.com/security/cve/CVE-2026-43126.html * https://www.suse.com/security/cve/CVE-2026-43190.html * https://www.suse.com/security/cve/CVE-2026-43437.html * https://www.suse.com/security/cve/CVE-2026-43499.html * https://www.suse.com/security/cve/CVE-2026-46243.html * https://bugzilla.suse.com/show_bug.cgi?id=1260018 * https://bugzilla.suse.com/show_bug.cgi?id=1261638 * https://bugzilla.suse.com/show_bug.cgi?id=1263600 * https://bugzilla.suse.com/show_bug.cgi?id=1263668 * https://bugzilla.suse.com/show_bug.cgi?id=1263995 * https://bugzilla.suse.com/show_bug.cgi?id=1264634 * https://bugzilla.suse.com/show_bug.cgi?id=1264848 * https://bugzilla.suse.com/show_bug.cgi?id=1265126 * https://bugzilla.suse.com/show_bug.cgi?id=1266001 . Major SUSE Linux Security Update for Kernel addresses 10 vulnerabilities impacting system performance and stability.. Linux Kernel Security Patch, SUSE Update, System Vulnerability Fix, Important Security Update. . Severity: Important. LinuxSecurity.com Team

Jun 10, 2026 •Important SuSE