Alerts This Week
Warning Icon 1 764
Alerts This Week
Warning Icon 1 764

SUSE: 2020:3222-1 Important: Memory Corruption in Kernel Live Patching

suse
Calendar Grey November 6, 2020
Dist Suse Esm H88
Significant SUSE upgrade addresses kernel flaws impacting Live Patching within SLE 12 SP5, including issues related to memory corruption.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 4.12.14-122_37 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 Live Patching 12-SP5:

Topics%20covered

Topics Covered

security advisory memory corruption important kernel SUSE use-after-free live patching

References

#1176012 #1176382

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

Affected Products:

SUSE Linux Enterprise Live Patching 12-SP5

SUSE Linux Enterprise Live Patching 12-SP4

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-2020:3222-1
Rating: important

Topics%20covered

Topics Covered

security advisory memory corruption important kernel SUSE use-after-free live patching

Get the latest News and Insights

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

Your message here