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SUSE: 2020:3180-1 Important: Kernel Live Patch Privilege Escalation

suse
Calendar Grey November 5, 2020
Dist Suse Esm H88
New release for SUSE Linux kernel resolves various vulnerabilities and enhances overall system reliability and performance.
An update that fixes 5 vulnerabilities is now available

Summary

This update for the Linux Kernel 4.12.14-150_52 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-2020-0431: In kbd_keycode of keyboard.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. (bsc#1176722) - 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).

References

#1175992 #1176012 #1176072 #1176382 #1176896

Cross- CVE-2020-0431 CVE-2020-14381 CVE-2020-14386

CVE-2020-24394 CVE-2020-25212

Affected Products:

SUSE Linux Enterprise Module for Live Patching 15-SP1

SUSE Linux Enterprise Module for Live Patching 15

https://www.suse.com/security/cve/CVE-2020-0431.html

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

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/1176012

https://bugzilla.suse.com/1176072

https://bugzilla.suse.com/1176382

https://bugzilla.suse.com/1176896

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2020:3180-1
Rating: important

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