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SUSE: 2021:2453-1 Important Live Patch Escalation Fix for Kernel

An update that fixes two vulnerabilities is now available. . SUSE Security Update: Security update for the Linux Kernel (Live Patch 12 for SLE 12 SP5) ______________________________________________________________________________ Announcement ID: SUSE-SU-2021:2453-1 Rating: important References: #1185901 #1187597 Cross-References: CVE-2021-0512 CVE-2021-23133 CVSS scores: CVE-2021-0512 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-23133 (NVD) : 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-23133 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affected Products: SUSE Linux Enterprise Live Patching 12-SP5 ______________________________________________________________________________ An update that fixes two vulnerabilities is now available. Description: This update for the Linux Kernel 4.12.14-122_51 fixes several issues. The following security issues were fixed: - CVE-2021-0512: Fixed a possible out-of-bounds write which could lead to local escalation of privilege with no additional execution privileges needed. (bsc#1187597) - CVE-2021-23133: Fixed a race condition in the SCTP sockets that can lead to kernel privilege escalation from the context of a network service or an unprivileged process. (bsc#1185901) Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Live Patching 12-SP5: zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-2452=1 SUSE-SLE-Live-Patching-12-SP5-2021-2453=1 Package List: - SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64): kgraft-patch-4_12_14-122_51-default-10-2.2 kgraft-patch-4_12_14-122_54-default-8-2.2 References: https://www.suse.com/security/cve/CVE-2021-0512.html https://www.suse.com/security/cve/CVE-2021-23133.html https://bugzilla.suse.com/1185901 https://bugzilla.suse.com/1187597 . SUSE's Kernel Security Patch addresses critical vulnerabilities in Live Patch 12 for SLE 12 SP5, enhancing system protection and stability. Linux Kernel Security, Privilege Escalation Fix, Live Patching Update. . LinuxSecurity.com Team

Jul 22, 2021 SuSE