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SUSE: 2020:3187-1 Important: Linux Kernel Live Patch Information

suse
Calendar Grey November 5, 2020
Dist Suse Esm H88
SUSE Security Patch for the Linux Kernel addresses significant vulnerabilities in Live Patch 0 for SLE 15 SP3. Discover further details within.
An update that fixes three vulnerabilities is now available

Summary

This update for the Linux Kernel 5.3.18-22 fixes several issues. The following security issues were fixed: - 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). - CVE-2020-14386: Fixed a memory corruption which could have lead to an attacker gaining root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity (bsc#1176069). - CVE-2020-24394: The NFS server code can set incorrect permissions on new filesystem objects when the filesystem lacks ACL support. This occurs because the current umask is not considered (bsc#1175518). Patch Instructions:

References

#1175992 #1176072 #1176382

Cross- CVE-2020-14386 CVE-2020-24394 CVE-2020-25212

Affected Products:

SUSE Linux Enterprise Module for Live Patching 15-SP2

https://www.suse.com/security/cve/CVE-2020-14386.html

https://www.suse.com/security/cve/CVE-2020-24394.html

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

https://bugzilla.suse.com/1175992

https://bugzilla.suse.com/1176072

https://bugzilla.suse.com/1176382

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2020:3187-1
Rating: important

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