# Security update for the Linux Kernel RT (Live Patch 9 for SLE 15 SP5) Announcement ID: SUSE-SU-2024:4120-1 Release Date: 2024-12-02T09:14:50Z Rating: important References: * bsc#1225429 * bsc#1225733 * bsc#1229273 * bsc#1229553 Cross-References: * CVE-2021-47517 * CVE-2024-35949 * CVE-2024-36904 * CVE-2024-43861 CVSS scores: * CVE-2021-47517 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H * CVE-2024-35949 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2024-36904 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2024-43861 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H * CVE-2024-43861 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Affected Products: * openSUSE Leap 15.5 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise Live Patching 15-SP5 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Real Time 15 SP5 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 An update that solves four vulnerabilities can now be installed. ## Description: This update for the Linux Kernel 5.14.21-150500_13_30 fixes several issues. The following security issues were fixed: * CVE-2021-47517: Fix panic when interrupt coaleceing is set via ethtool (bsc#1225429). * CVE-2024-36904: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique() (bsc#1225733). * CVE-2024-43861: Fix memory leak for not ip packets (bsc#1229553). * CVE-2024-35949: btrfs: make sure that WRITTEN is set on all metadata blocks (bsc#1229273). ## 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-2024-4120=1 SUSE-2024-4121=1 * SUSE Linux Enterprise Live Patching 15-SP5 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-4120=1 SUSE-SLE- Module-Live-Patching-15-SP5-2024-4121=1 ## Package List: * openSUSE Leap 15.5 (x86_64) * kernel-livepatch-SLE15-SP5-RT_Update_9-debugsource-13-150500.2.1 * kernel-livepatch-5_14_21-150500_13_27-rt-debuginfo-14-150500.2.1 * kernel-livepatch-SLE15-SP5-RT_Update_8-debugsource-14-150500.2.1 * kernel-livepatch-5_14_21-150500_13_30-rt-debuginfo-13-150500.2.1 * kernel-livepatch-5_14_21-150500_13_30-rt-13-150500.2.1 * kernel-livepatch-5_14_21-150500_13_27-rt-14-150500.2.1 * SUSE Linux Enterprise Live Patching 15-SP5 (x86_64) * kernel-livepatch-SLE15-SP5-RT_Update_9-debugsource-13-150500.2.1 * kernel-livepatch-5_14_21-150500_13_27-rt-debuginfo-14-150500.2.1 * kernel-livepatch-SLE15-SP5-RT_Update_8-debugsource-14-150500.2.1 * kernel-livepatch-5_14_21-150500_13_30-rt-debuginfo-13-150500.2.1 * kernel-livepatch-5_14_21-150500_13_30-rt-13-150500.2.1 * kernel-livepatch-5_14_21-150500_13_27-rt-14-150500.2.1 ## References: * https://www.suse.com/security/cve/CVE-2021-47517.html * https://www.suse.com/security/cve/CVE-2024-35949.html * https://www.suse.com/security/cve/CVE-2024-36904.html * https://www.suse.com/security/cve/CVE-2024-43861.html * https://bugzilla.suse.com/show_bug.cgi?id=1225429 * https://bugzilla.suse.com/show_bug.cgi?id=1225733 * https://bugzilla.suse.com/show_bug.cgi?id=1229273 * https://bugzilla.suse.com/show_bug.cgi?id=1229553