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SUSE: 2019:1423-1 Important: Intel CPU Information Leak Fixes

suse
Calendar Grey June 5, 2019
Dist Suse Esm H88
SUSE has rolled out a security patch for libvirt addressing several critical vulnerabilities, including issues linked to data exposure and performance degradation.
An update that fixes four vulnerabilities is now available

Summary

This update for libvirt fixes the following issues: Four new speculative execution information leak issues have been identified in Intel CPUs. (bsc#1111331) - CVE-2018-12126: Microarchitectural Store Buffer Data Sampling (MSBDS) - CVE-2018-12127: Microarchitectural Fill Buffer Data Sampling (MFBDS) - CVE-2018-12130: Microarchitectural Load Port Data Sampling (MLPDS) - CVE-2019-11091: Microarchitectural Data Sampling Uncacheable Memory (MDSUM) These updates contain the libvirt adjustments, that pass through the new 'md-clear' CPU flag (bsc#1135273). For more information on this set of vulnerabilities, check out https://support.scc.suse.com/s/kb?language=en_US Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods

Topics%20covered

Topics Covered

security advisory information leak update important SUSE libvirt Intel CPU

References

#1111331 #1135273

Cross- CVE-2018-12126 CVE-2018-12127 CVE-2018-12130

CVE-2019-11091

Affected Products:

SUSE Linux Enterprise Server 12-LTSS

https://www.suse.com/security/cve/CVE-2018-12126.html

https://www.suse.com/security/cve/CVE-2018-12127.html

https://www.suse.com/security/cve/CVE-2018-12130.html

https://www.suse.com/security/cve/CVE-2019-11091.html

https://bugzilla.suse.com/1111331

https://bugzilla.suse.com/1135273

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2019:1423-1
Rating: important

Topics%20covered

Topics Covered

security advisory information leak update important SUSE libvirt Intel CPU

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