SUSE: 2022:1194-1 important: the Linux Kernel (Live Patch 18 for SLE 15 SP2)
Summary
This update for the Linux Kernel 5.3.18-24_78 fixes several issues. The following security issues were fixed: - CVE-2022-27666: Fixed a buffer overflow vulnerability in IPsec ESP transformation code. This flaw allowed a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation. (bnc#1197462) - 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) - CVE-2022-22942: Fixed stale file descriptors on failed usercopy. (bsc#1195065) 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-SP2-2022-1194=1 SUSE-SLE-Module-Live-Patching-15-SP2-2022-1195=1 Package List: - SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64): kernel-livepatch-5_3_18-24_78-default-10-150200.2.1 kernel-livepatch-5_3_18-24_78-default-debuginfo-10-150200.2.1 kernel-livepatch-5_3_18-24_86-default-8-150200.2.1 kernel-livepatch-5_3_18-24_86-default-debuginfo-8-150200.2.1 kernel-livepatch-SLE15-SP2_Update_18-debugsource-10-150200.2.1 kernel-livepatch-SLE15-SP2_Update_20-debugsource-8-150200.2.1
References
#1195951 #1196959 #1197133
Cross- CVE-2021-39698 CVE-2022-22942 CVE-2022-27666
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-2022-22942 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2022-27666 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2022-27666 (SUSE): 7.7 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Affected Products:
SUSE Linux Enterprise High Performance Computing 15-SP2
SUSE Linux Enterprise Module for Live Patching 15-SP2
SUSE Linux Enterprise Server 15-SP2
SUSE Linux Enterprise Server for SAP Applications 15-SP2
https://www.suse.com/security/cve/CVE-2021-39698.html
https://www.suse.com/security/cve/CVE-2022-22942.html
https://www.suse.com/security/cve/CVE-2022-27666.html
https://bugzilla.suse.com/1195951
https://bugzilla.suse.com/1196959
https://bugzilla.suse.com/1197133