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SUSE: 2020:3484-1 Critical: Kernel Live Update 15 Security Flaw

suse
Calendar Grey October 8, 2019
Dist Suse Esm H88
Essential patch for SUSE Kernel Live Update 10 addressing a memory corruption issue in virtqueue management.
An update that solves one vulnerability and has one errata is now available

Summary

This update for the Linux Kernel 4.12.14-150_17 fixes several issues. The following security issue was fixed: - CVE-2019-14835: A buffer overflow flaw was found in the way vhost functionality, that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host (bsc#1151021). 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:

References

#1149841 #1151021

Cross- CVE-2019-14835

Affected Products:

SUSE Linux Enterprise Module for Live Patching 15-SP1

SUSE Linux Enterprise Module for Live Patching 15

SUSE Linux Enterprise Live Patching 12-SP4

https://www.suse.com/security/cve/CVE-2019-14835.html

https://bugzilla.suse.com/1149841

https://bugzilla.suse.com/1151021

Severity
critical
Lowest
Low
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Critical

Announcement ID: SUSE-SU-2019:2572-1
Rating: important

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