Alerts This Week
Warning Icon 1 923
Alerts This Week
Warning Icon 1 923

SUSE: 2020:3188-1 Important: Kernel Memory Corruption Fix

suse
Calendar Grey November 5, 2020
Dist Suse Esm H88
Tackling vulnerabilities related to memory corruption and privilege elevation found in SUSE Linux Kernel Live Patch 15 SP1 through essential system updates.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 4.12.14-197_56 fixes several issues. The following security issues were fixed: - CVE-2020-14381: Fixed a use-after-free in the fast user mutex (futex) wait operation, which could have lead to memory corruption and possibly privilege escalation (bsc#1176011). - CVE-2020-25212: A TOCTOU mismatch in the NFS client code could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c (bsc#1176381). 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:

Topics%20covered

Topics Covered

security advisory privilege escalation memory corruption important SUSE

References

#1176012 #1176382

Cross- CVE-2020-14381 CVE-2020-25212

Affected Products:

SUSE Linux Enterprise Module for Live Patching 15-SP1

https://www.suse.com/security/cve/CVE-2020-14381.html

https://www.suse.com/security/cve/CVE-2020-25212.html

https://bugzilla.suse.com/1176012

https://bugzilla.suse.com/1176382

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2020:3188-1
Rating: important

Topics%20covered

Topics Covered

security advisory privilege escalation memory corruption important SUSE

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here