Stay Secure with the Latest Linux Advisories

security advisoryimportantkernel

openSUSE 2026 Kernel Significant Security Update SUSE-SU-2026-1830-2

An update that solves four vulnerabilities can now be installed.. # Security update for the Linux Kernel (Live Patch 19 for SUSE Linux Enterprise 15 SP6) Announcement ID: SUSE-SU-2026:1801-1 Release Date: 2026-05-09T13:05:07Z Rating: important References: * bsc#1258005 * bsc#1258655 * bsc#1259126 * bsc#1263689 Cross-References: * CVE-2025-71066 * CVE-2026-23004 * CVE-2026-23204 * CVE-2026-31431 CVSS scores: * CVE-2025-71066 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-23004 ( 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-2026-23004 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-23004 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H * CVE-2026-23004 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-23204 ( SUSE ): 6.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N * CVE-2026-23204 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-23204 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H * CVE-2026-23204 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H * 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 * 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 Affected Products: * openSUSE Leap 15.5 * openSUSE Leap 15.6 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise Live Patching 15-SP5 * SUSE Linux Enterprise Live Patching 15-SP6 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Real Time 15 SP5 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 An update that solves four vulnerabilities can now be installed. ## Description: This update for the SUSE Linux Enterprise kernel6.4.0-150600.23.84 fixes various security issues The following security issues were fixed: * CVE-2025-71066: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change (bsc#1258005). * CVE-2026-23004: dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list() (bsc#1258655). * CVE-2026-23204: net/sched: cls_u32: use skb_header_pointer_careful() (bsc#1259126). * CVE-2026-31431: crypto: algif_aead - Revert to operating out-of-place (bsc#1263689). ## 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: * openSUSE Leap 15.5 zypper in -t patch SUSE-2026-1801=1 * SUSE Linux Enterprise Live Patching 15-SP5 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-1801=1 * openSUSE Leap 15.6 zypper in -t patch SUSE-2026-1796=1 * SUSE Linux Enterprise Live Patching 15-SP6 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2026-1796=1 ## Package List: * openSUSE Leap 15.5 (ppc64le s390x x86_64) * kernel-livepatch-SLE15-SP5_Update_35-debugsource-5-150500.2.1 * kernel-livepatch-5_14_21-150500_55_136-default-debuginfo-5-150500.2.1 * kernel-livepatch-5_14_21-150500_55_136-default-5-150500.2.1 * SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64) * kernel-livepatch-SLE15-SP5_Update_35-debugsource-5-150500.2.1 * kernel-livepatch-5_14_21-150500_55_136-default-debuginfo-5-150500.2.1 * kernel-livepatch-5_14_21-150500_55_136-default-5-150500.2.1 * openSUSE Leap 15.6 (ppc64le s390x x86_64) * kernel-livepatch-6_4_0-150600_23_84-default-debuginfo-5-150600.2.1 * kernel-livepatch-6_4_0-150600_23_84-default-5-150600.2.1 * kernel-livepatch-SLE15-SP6_Update_19-debugsource-5-150600.2.1 * SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64) * kernel-livepatch-6_4_0-150600_23_84-default-debuginfo-5-150600.2.1 * kernel-livepatch-6_4_0-150600_23_84-default-5-150600.2.1 * kernel-livepatch-SLE15-SP6_Update_19-debugsource-5-150600.2.1 ## References: * https://www.suse.com/security/cve/CVE-2025-71066.html * https://www.suse.com/security/cve/CVE-2026-23004.html * https://www.suse.com/security/cve/CVE-2026-23204.html * https://www.suse.com/security/cve/CVE-2026-31431.html * https://bugzilla.suse.com/show_bug.cgi?id=1258005 * https://bugzilla.suse.com/show_bug.cgi?id=1258655 * https://bugzilla.suse.com/show_bug.cgi?id=1259126 * https://bugzilla.suse.com/show_bug.cgi?id=1263689 . Update available for openSUSE addressing four critical kernel issues. Immediate action recommended to safeguard system stability.. openSUSE kernel issues, security update, Linux kernel vulnerabilities. . LinuxSecurity.com Team

May 11, 2026 OpenSUSE