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SUSE: 2021:1046-1 Important: Kernel Patch for SLE 12 SP5

An update that fixes four vulnerabilities is now available. . SUSE Security Update: Security update for the Linux Kernel (Live Patch 16 for SLE 12 SP5) ______________________________________________________________________________ Announcement ID: SUSE-SU-2021:1046-1 Rating: important References: #1179664 #1182717 #1183120 #1183491 Cross-References: CVE-2020-29368 CVE-2021-27363 CVE-2021-27364 CVE-2021-27365 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-2021-27363 (NVD) : 4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L CVE-2021-27363 (SUSE): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2021-27364 (NVD) : 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2021-27364 (SUSE): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2021-27365 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-27365 (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 four vulnerabilities is now available. Description: This update for the Linux Kernel 4.12.14-122_63 fixes several issues. The following security issues were fixed: - CVE-2021-27365: Fixed an issue where data structures did not have appropriate length constraints or checks, and could exceed the PAGE_SIZE value (bsc#1183491). - CVE-2021-27363: Fixed a kernel pointer leak which could have been used to determine the address of the iscsi_transport structure (bsc#1183120). - CVE-2021-27364: Fixed an issue where an unprivileged user could craft Netlink messages (bsc#1182717). - CVE-2020-29368: Fixed a racecondition in a THP mapcount check (bsc#1179664). 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-SP5-2021-1046=1 Package List: - SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64): kgraft-patch-4_12_14-122_63-default-2-2.2 References: https://www.suse.com/security/cve/CVE-2020-29368.html https://www.suse.com/security/cve/CVE-2021-27363.html https://www.suse.com/security/cve/CVE-2021-27364.html https://www.suse.com/security/cve/CVE-2021-27365.html https://bugzilla.suse.com/1179664 https://bugzilla.suse.com/1182717 https://bugzilla.suse.com/1183120 https://bugzilla.suse.com/1183491 . Crucial update for SUSE Linux Kernel tackling multiple vulnerabilities to safeguard system stability.. SUSE Linux Kernel, Security Update, Kernel Patch Instructions, System Integrity, Patch Vulnerabilities. . Severity: Important. LinuxSecurity.com Team

Apr 07, 2021 •Important SuSE