SUSE: 2022:0552-1 critical: the Linux Kernel (Live Patch 41 for SLE 12 SP3)
Summary
This update for the Linux Kernel 4.4.180-94_150 fixes several issues. The following security issues were fixed: - CVE-2021-4202: Fixed NFC race condition by adding NCI_UNREG flag (bsc#1194533). - CVE-2021-4083: Fixed a read-after-free memory flaw inside the garbage collection for Unix domain socket file handlers when users call close() and fget() simultaneouslyand can potentially trigger a race condition (bnc#1194460). 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 Server for SAP 12-SP3: zypper in -t patch SUSE-SLE-SAP-12-SP3-2022-549=1 SUSE-SLE-SAP-12-SP3-2022-550=1 SUSE-SLE-SAP-12-SP3-2022-551=1 SUSE-SLE-SAP-12-SP3-2022-552=1 SUSE-SLE-SAP-12-SP3-2022-553=1 - SUSE Linux Enterprise Server 12-SP3-LTSS: zypper in -t patch SUSE-SLE-SERVER-12-SP3-2022-549=1 SUSE-SLE-SERVER-12-SP3-2022-550=1 SUSE-SLE-SERVER-12-SP3-2022-551=1 SUSE-SLE-SERVER-12-SP3-2022-552=1 SUSE-SLE-SERVER-12-SP3-2022-553=1 Package List: - SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64): kgraft-patch-4_4_180-94_138-default-15-2.2 kgraft-patch-4_4_180-94_138-default-debuginfo-15-2.2 kgraft-patch-4_4_180-94_141-default-14-2.2 kgraft-patch-4_4_180-94_141-default-debuginfo-14-2.2 kgraft-patch-4_4_180-94_144-default-11-2.2 kgraft-patch-4_4_180-94_144-default-debuginfo-11-2.2 kgraft-patch-4_4_180-94_147-default-8-2.2 kgraft-patch-4_4_180-94_147-default-debuginfo-8-2.2 kgraft-patch-4_4_180-94_150-default-4-2.2 kgraft-patch-4_4_180-94_150-default-debuginfo-4-2.2 - SUSE Linux Enterprise Server 12-SP3-LTSS (ppc64le x86_64): kgraft-patch-4_4_180-94_138-default-15-2.2 kgraft-patch-4_4_180-94_138-default-debuginfo-15-2.2 kgraft-patch-4_4_180-94_141-default-14-2.2 kgraft-patch-4_4_180-94_141-default-debuginfo-14-2.2 kgraft-patch-4_4_180-94_144-default-11-2.2 kgraft-patch-4_4_180-94_144-default-debuginfo-11-2.2 kgraft-patch-4_4_180-94_147-default-8-2.2 kgraft-patch-4_4_180-94_147-default-debuginfo-8-2.2 kgraft-patch-4_4_180-94_150-default-4-2.2 kgraft-patch-4_4_180-94_150-default-debuginfo-4-2.2
References
#1194460 #1194533
Cross- CVE-2021-4083 CVE-2021-4202
CVSS scores:
CVE-2021-4083 (NVD) : 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-4083 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2021-4202 (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 Server 12-SP3-LTSS
SUSE Linux Enterprise Server for SAP 12-SP3
https://www.suse.com/security/cve/CVE-2021-4083.html
https://www.suse.com/security/cve/CVE-2021-4202.html
https://bugzilla.suse.com/1194460
https://bugzilla.suse.com/1194533