SUSE Security Update: Security update for the Linux Kernel (Live Patch 19 for SLE 15 SP3) ______________________________________________________________________________ Announcement ID: SUSE-SU-2022:2515-1 Rating: important References: #1196959 #1200608 Cross-References: CVE-2021-39698 CVE-2022-20154 CVSS scores: CVE-2021-39698 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-39698 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2022-20154 (NVD) : 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2022-20154 (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 High Performance Computing 15-SP3 SUSE Linux Enterprise Micro 5.1 SUSE Linux Enterprise Module for Live Patching 15-SP3 SUSE Linux Enterprise Server 15-SP3 SUSE Linux Enterprise Server for SAP Applications 15-SP3 ______________________________________________________________________________ An update that fixes two vulnerabilities is now available. Description: This update for the Linux Kernel 5.3.18-150300_59_71 fixes several issues. The following security issues were fixed: - CVE-2022-20154: Fixed a use after free due to a race condition in lock_sock_nested of sock.c. This could lead to local escalation of privilege with System execution privileges needed (bsc#1200599). - CVE-2021-39698: Fixed a possible memory corruption due to a use after free in aio_poll_complete_work. This could lead to local escalation of privilege with no additional execution privileges needed. (bsc#1196956) 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-SP3: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2022-2515=1 Package List: - SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x x86_64): kernel-livepatch-5_3_18-150300_59_71-default-3-150300.2.2 References: https://www.suse.com/security/cve/CVE-2021-39698.html https://www.suse.com/security/cve/CVE-2022-20154.html https://bugzilla.suse.com/1196959 https://bugzilla.suse.com/1200608