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SUSE Linux Kernel Important Security Fixes 2026-0543-1 CVE-2025-38111

An update that solves five vulnerabilities can now be installed.. # Security update for the Linux Kernel (Live Patch 9 for SUSE Linux Enterprise 15 SP6) Announcement ID: SUSE-SU-2026:0543-1 Release Date: 2026-02-15T19:33:36Z Rating: important References: * bsc#1249205 * bsc#1249455 * bsc#1249480 * bsc#1253439 * bsc#1253473 Cross-References: * CVE-2025-38111 * CVE-2025-38352 * CVE-2025-39742 * CVE-2025-40129 * CVE-2025-40186 CVSS scores: * CVE-2025-38111 ( 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-2025-38111 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-38111 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H * CVE-2025-38352 ( 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-2025-38352 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-38352 ( NVD ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2025-39742 ( 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-2025-39742 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-39742 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H * CVE-2025-40129 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N * CVE-2025-40129 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H * CVE-2025-40186 ( 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-2025-40186 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise Live Patching 15-SP6 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 An update that solves five vulnerabilities can now be installed. ## Description: This update for the SUSE Linux Enterprise kernel 6.4.0-150600.23.42 fixes various securityissues The following security issues were fixed: * CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access (bsc#1249455). * CVE-2025-38352: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del() (bsc#1249205). * CVE-2025-39742: RDMA: hfi1: fix possible divide-by-zero in find_hw_thread_mask() (bsc#1249480). * CVE-2025-40129: sunrpc: fix null pointer dereference on zero-length checksum (bsc#1253473). * CVE-2025-40186: tcp: Don't call reqsk_fastopen_remove() in tcp_conn_request() (bsc#1253439). ## 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 15.6 zypper in -t patch SUSE-2026-543=1 SUSE-2026-545=1 * SUSE Linux Enterprise Live Patching 15-SP6 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2026-543=1 SUSE-SLE- Module-Live-Patching-15-SP6-2026-545=1 ## Package List: * openSUSE Leap 15.6 (ppc64le s390x x86_64) * kernel-livepatch-SLE15-SP6_Update_9-debugsource-13-150600.2.1 * kernel-livepatch-6_4_0-150600_23_33-default-debuginfo-18-150600.2.1 * kernel-livepatch-6_4_0-150600_23_42-default-debuginfo-13-150600.2.1 * kernel-livepatch-6_4_0-150600_23_33-default-18-150600.2.1 * kernel-livepatch-6_4_0-150600_23_42-default-13-150600.2.1 * kernel-livepatch-SLE15-SP6_Update_7-debugsource-18-150600.2.1 * SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64) * kernel-livepatch-SLE15-SP6_Update_9-debugsource-13-150600.2.1 * kernel-livepatch-6_4_0-150600_23_33-default-debuginfo-18-150600.2.1 * kernel-livepatch-6_4_0-150600_23_42-default-debuginfo-13-150600.2.1 * kernel-livepatch-6_4_0-150600_23_33-default-18-150600.2.1 * kernel-livepatch-6_4_0-150600_23_42-default-13-150600.2.1 * kernel-livepatch-SLE15-SP6_Update_7-debugsource-18-150600.2.1 ## References: *https://www.suse.com/security/cve/CVE-2025-38111.html * https://www.suse.com/security/cve/CVE-2025-38352.html * https://www.suse.com/security/cve/CVE-2025-39742.html * https://www.suse.com/security/cve/CVE-2025-40129.html * https://www.suse.com/security/cve/CVE-2025-40186.html * https://bugzilla.suse.com/show_bug.cgi?id=1249205 * https://bugzilla.suse.com/show_bug.cgi?id=1249455 * https://bugzilla.suse.com/show_bug.cgi?id=1249480 * https://bugzilla.suse.com/show_bug.cgi?id=1253439 * https://bugzilla.suse.com/show_bug.cgi?id=1253473 . This security update for the SUSE Linux kernel addresses five significant issues affecting system integrity and performance.. SUSE security. . Severity: Important. LinuxSecurity.com Team

Feb 16, 2026 •Important SuSE