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SUSE: 2021:0869-1 Important: Kernel Live Patch Critical Issues Fix

An update that fixes two vulnerabilities is now available. . SUSE Security Update: Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP2) ______________________________________________________________________________ Announcement ID: SUSE-SU-2021:0869-1 Rating: important References: #1179664 #1179779 Cross-References: CVE-2020-29368 CVE-2020-29373 CVSS scores: CVE-2020-29368 (NVD) : 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2020-29368 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2020-29373 (SUSE): 7.7 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Affected Products: SUSE Linux Enterprise Module for Live Patching 15-SP2 ______________________________________________________________________________ An update that fixes two vulnerabilities is now available. Description: This update for the Linux Kernel 5.3.18-24_49 fixes several issues. The following security issues were fixed: - CVE-2020-29368: Fixed an issue in copy-on-write implementation which could have granted unintended write access because of a race condition in a THP mapcount check (bsc#1179664). - CVE-2020-29373: Fixed an issue where kernel unsafely handles the root directory during path lookups, and thus a process inside a mount namespace could escape to unintended filesystem locations (bsc#1179779). 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 Module for Live Patching 15-SP2: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-869=1 Package List: - SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64): kernel-livepatch-5_3_18-24_49-default-2-2.2 kernel-livepatch-5_3_18-24_49-default-debuginfo-2-2.2 kernel-livepatch-SLE15-SP2_Update_10-debugsource-2-2.2 References: https://www.suse.com/security/cve/CVE-2020-29368.html https://www.suse.com/security/cve/CVE-2020-29373.html https://bugzilla.suse.com/1179664 https://bugzilla.suse.com/1179779 . SUSE Kernel's latest security patch resolves major vulnerabilities, reinforcing system integrity and enhancing stability for Live Patch 10 deployments.. SUSE Kernel Security, Live Patch Update, System Integrity Fixes, Linux Kernel 5.3.18, Path Lookup Issue. . Severity: Important. LinuxSecurity.com Team

Mar 17, 2021 •Important SuSE