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SUSE: Kernel Important Security Update 2026:0168-1 Fixes Multiple Issues

An update that solves 10 vulnerabilities can now be installed.. # Security update for the Linux Kernel (Live Patch 40 for SUSE Linux Enterprise 15 SP4) Announcement ID: SUSE-SU-2026:0168-1 Release Date: 2026-01-19T19:33:53Z Rating: important References: * bsc#1248400 * bsc#1248615 * bsc#1248670 * bsc#1249242 * bsc#1250665 * bsc#1251165 * bsc#1251203 * bsc#1251787 * bsc#1253437 * bsc#1254451 Cross-References: * CVE-2022-50233 * CVE-2022-50327 * CVE-2022-50409 * CVE-2022-50490 * CVE-2023-53676 * CVE-2024-58239 * CVE-2025-38476 * CVE-2025-38572 * CVE-2025-38608 * CVE-2025-40204 CVSS scores: * CVE-2022-50233 ( 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-2022-50233 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2022-50233 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H * CVE-2022-50327 ( 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-2022-50327 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2022-50327 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H * CVE-2022-50409 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2022-50409 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2022-50409 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H * CVE-2022-50490 ( 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-2022-50490 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2023-53676 ( 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-2023-53676 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2024-58239 ( 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-2024-58239 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2024-58239 ( NVD ): 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H * CVE-2025-38476 ( 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-2025-38476 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-38476 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-38572 ( SUSE ): 9.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-38572 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2025-38572 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-38608 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N * CVE-2025-38608 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H * CVE-2025-38608 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H * CVE-2025-40204 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N * CVE-2025-40204 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise Live Patching 15-SP4 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Real Time 15 SP4 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 An update that solves 10 vulnerabilities can now be installed. ## Description: This update for the SUSE Linux Enterprise kernel 5.14.21-150400.24.164 fixes various security issues The following security issues were fixed: * CVE-2022-50233: bluetooth: device name can cause reading kernel memory by not supplying terminal \0 (bsc#1249242). * CVE-2022-50327: ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value (bsc#1254451). * CVE-2022-50409: net: If sock is dead don't access sock's sk_wq in sk_stream_wait_memory (bsc#1250665). * CVE-2022-50490: bpf: Propagate error from htab_lock_bucket() to userspace (bsc#1251165). *CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() (bsc#1251787). * CVE-2024-58239: tls: stop recv() if initial process_rx_list gave us non-DATA (bsc#1248615). * CVE-2025-38476: rpl: Fix use-after-free in rpl_do_srh_inline() (bsc#1251203). * CVE-2025-38572: ipv6: reject malicious packets in ipv6_gso_segment() (bsc#1248400). * CVE-2025-38608: bpf, ktls: Fix data corruption when using bpf_msg_pop_data() in ktls (bsc#1248670). * CVE-2025-40204: sctp: Fix MAC comparison to be constant-time (bsc#1253437). ## 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 15.4 zypper in -t patch SUSE-2026-175=1 SUSE-2026-168=1 SUSE-2026-177=1 SUSE-2026-178=1 * SUSE Linux Enterprise Live Patching 15-SP4 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-175=1 SUSE-SLE- Module-Live-Patching-15-SP4-2026-168=1 SUSE-SLE-Module-Live- Patching-15-SP4-2026-177=1 SUSE-SLE-Module-Live-Patching-15-SP4-2026-178=1 ## Package List: * openSUSE Leap 15.4 (ppc64le s390x x86_64) * kernel-livepatch-5_14_21-150400_24_164-default-debuginfo-12-150400.2.1 * kernel-livepatch-SLE15-SP4_Update_39-debugsource-12-150400.2.1 * kernel-livepatch-5_14_21-150400_24_161-default-12-150400.2.1 * kernel-livepatch-5_14_21-150400_24_161-default-debuginfo-12-150400.2.1 * kernel-livepatch-SLE15-SP4_Update_37-debugsource-13-150400.2.1 * kernel-livepatch-SLE15-SP4_Update_40-debugsource-12-150400.2.1 * kernel-livepatch-SLE15-SP4_Update_38-debugsource-12-150400.2.1 * kernel-livepatch-5_14_21-150400_24_164-default-12-150400.2.1 * kernel-livepatch-5_14_21-150400_24_153-default-debuginfo-13-150400.2.1 * kernel-livepatch-5_14_21-150400_24_158-default-12-150400.2.1 * kernel-livepatch-5_14_21-150400_24_153-default-13-150400.2.1 *kernel-livepatch-5_14_21-150400_24_158-default-debuginfo-12-150400.2.1 * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64) * kernel-livepatch-5_14_21-150400_24_164-default-debuginfo-12-150400.2.1 * kernel-livepatch-SLE15-SP4_Update_39-debugsource-12-150400.2.1 * kernel-livepatch-5_14_21-150400_24_161-default-12-150400.2.1 * kernel-livepatch-5_14_21-150400_24_161-default-debuginfo-12-150400.2.1 * kernel-livepatch-SLE15-SP4_Update_37-debugsource-13-150400.2.1 * kernel-livepatch-SLE15-SP4_Update_40-debugsource-12-150400.2.1 * kernel-livepatch-SLE15-SP4_Update_38-debugsource-12-150400.2.1 * kernel-livepatch-5_14_21-150400_24_164-default-12-150400.2.1 * kernel-livepatch-5_14_21-150400_24_153-default-debuginfo-13-150400.2.1 * kernel-livepatch-5_14_21-150400_24_158-default-12-150400.2.1 * kernel-livepatch-5_14_21-150400_24_153-default-13-150400.2.1 * kernel-livepatch-5_14_21-150400_24_158-default-debuginfo-12-150400.2.1 ## References: * https://www.suse.com/security/cve/CVE-2022-50233.html * https://www.suse.com/security/cve/CVE-2022-50327.html * https://www.suse.com/security/cve/CVE-2022-50409.html * https://www.suse.com/security/cve/CVE-2022-50490.html * https://www.suse.com/security/cve/CVE-2023-53676.html * https://www.suse.com/security/cve/CVE-2024-58239.html * https://www.suse.com/security/cve/CVE-2025-38476.html * https://www.suse.com/security/cve/CVE-2025-38572.html * https://www.suse.com/security/cve/CVE-2025-38608.html * https://www.suse.com/security/cve/CVE-2025-40204.html * https://bugzilla.suse.com/show_bug.cgi?id=1248400 * https://bugzilla.suse.com/show_bug.cgi?id=1248615 * https://bugzilla.suse.com/show_bug.cgi?id=1248670 * https://bugzilla.suse.com/show_bug.cgi?id=1249242 * https://bugzilla.suse.com/show_bug.cgi?id=1250665 * https://bugzilla.suse.com/show_bug.cgi?id=1251165 * https://bugzilla.suse.com/show_bug.cgi?id=1251203 * https://bugzilla.suse.com/show_bug.cgi?id=1251787 *https://bugzilla.suse.com/show_bug.cgi?id=1253437 * https://bugzilla.suse.com/show_bug.cgi?id=1254451 . Security update for SUSE Linux kernel fixes 10 vulnerabilities, enhancing system security and stability with critical patches.. SUSE security update,SUSE kernel vulnerabilities,live patch security. . Severity: Important. LinuxSecurity.com Team

Jan 20, 2026 •Important SuSE