SUSE: 2021:4039-1 Important: Linux Kernel Escalation Fix
suse
December 14, 2021
An update that fixes one vulnerability is now available
Summary
This update for the Linux Kernel 4.12.14-197_102 fixes one issue. The following security issue was fixed: - CVE-2021-0935: In ip6_xmit of ip6_output.c, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. (bsc#1192032) 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-SP1: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-4039=1 - SUSE Linux Enterprise Live Patching 12-SP5: zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-4020=1
References
#1192042
Cross- CVE-2021-0935
CVSS scores:
CVE-2021-0935 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15-SP1
SUSE Linux Enterprise Live Patching 12-SP5
https://www.suse.com/security/cve/CVE-2021-0935.html
https://bugzilla.suse.com/1192042
PREVIOUS
NEXT
Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: SUSE-SU-2021:4039-1
Rating: important
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!