SUSE: 2019:1248-1 Important: Xen Information Leak Mitigations
suse
May 14, 2019
An update that solves four vulnerabilities and has three fixes is now available
Summary
This update for xen 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 Samling (MLPDS) - CVE-2019-11091: Microarchitectural Data Sampling Uncacheable Memory (MDSUM) These updates contain the XEN Hypervisor adjustments, that additionaly also use CPU Microcode updates. The mitigation can be controlled via the "mds" commandline option, see the documentation. For more information on this set of vulnerabilities, check out https://support.scc.suse.com/s/kb?language=en_US Other fixes:
Topics Covered
References
#1027519 #1079730 #1098403 #1111025 #1111331
#1120067 #1120095
Cross- CVE-2018-12126 CVE-2018-12127 CVE-2018-12130
CVE-2019-11091
Affected Products:
SUSE Linux Enterprise Module for Server Applications 15
SUSE Linux Enterprise Module for Basesystem 15
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/1027519
https://bugzilla.suse.com/1079730
https://bugzilla.suse.com/1098403
https://bugzilla.suse.com/1111025
https://bugzilla.suse.com/1111331
https://bugzilla.suse.com/1120067
https://bugzilla.suse.com/1120095
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Announcement ID: SUSE-SU-2019:1248-1
Rating: important
Topics Covered
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