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SUSE: 2019:2601-1 Important: Kernel Update Fixes Buffer Overflow and DoS

suse
Calendar Grey October 8, 2019
Dist Suse Esm H88
SUSE Security Alert: Essential kernel vulnerabilities resolved in Live Patch for SLE 12 SP2. Major fixes implemented to ensure system integrity.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 4.4.121-92_120 fixes several issues. The following security issues were 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). - CVE-2018-5390: Fixed a denial of service ("SegmentSmack") in tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet (bsc#1102682). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow kernel update SUSE patch instructions

References

#1102682 #1151021

Cross- CVE-2018-5390 CVE-2019-14835

Affected Products:

SUSE Linux Enterprise Server for SAP 12-SP2

SUSE Linux Enterprise Server 12-SP2-LTSS

https://www.suse.com/security/cve/CVE-2018-5390.html

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

https://bugzilla.suse.com/1102682

https://bugzilla.suse.com/1151021

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2019:2601-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow kernel update SUSE patch instructions

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