SUSE: 2022:0552-1 Critical: Linux Kernel Live Patch Fixes Issues
suse
February 22, 2022
An update that fixes two vulnerabilities is now available
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:
Topics Covered
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
PREVIOUS
NEXT
Severity
critical
Lowest
Low
Medium
High
Critical
Announcement ID: SUSE-SU-2022:0552-1
Rating: critical
Topics Covered
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!