SUSE-SU-2023:4781-1: important: Security update for the Linux Kernel RT (Live Patch 7 for SLE 15 SP5)
# Security update for the Linux Kernel RT (Live Patch 7 for SLE 15 SP5) Announcement ID: SUSE-SU-2023:4781-1 Rating: important References: * bsc#1215097 Cross-References: * CVE-2023-3777 CVSS scores: * CVE-2023-3777 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2023-3777 ( 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 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise Live Patching 15-SP5 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Micro 6.0 * 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 one vulnerability can now be installed. ## Description: This update for the Linux Kernel 5.14.21-150500_13_24 fixes one issue. The following security issue was fixed: * CVE-2023-3777: Fixed a use-after-free vulnerability in netfilter: nf_tables component can be exploited to achieve local privilege escalation. (bsc#1215097) ## 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-2023-4781=1 * SUSE Linux Enterprise Live Patching 15-SP5 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-4781=1 ## Package List: * openSUSE Leap 15.5 (x86_64) * kernel-livepatch-5_14_21-150500_13_24-rt-2-150500.2.1 * kernel-livepatch-5_14_21-150500_13_24-rt-debuginfo-2-150500.2.1 * kernel-livepatch-SLE15-SP5-RT_Update_7-debugsource-2-150500.2.1 * SUSE Linux Enterprise Live Patching 15-SP5 (x86_64) * kernel-livepatch-5_14_21-150500_13_24-rt-2-150500.2.1 * kernel-livepatch-5_14_21-150500_13_24-rt-debuginfo-2-150500.2.1 * kernel-livepatch-SLE15-SP5-RT_Update_7-debugsource-2-150500.2.1 ## References: * https://www.suse.com/security/cve/CVE-2023-3777.html * https://bugzilla.suse.com/show_bug.cgi?id=1215097
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