SUSE: 2019:1348-1 Important: Xen Information Leak & Buffer Overflow Fix
suse
May 24, 2019
An update that fixes 5 vulnerabilities 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 Sampling (MLPDS) - CVE-2019-11091: Microarchitectural Data Sampling Uncacheable Memory (MDSUM) These updates contain the XEN Hypervisor adjustments, that additionally 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 #1111331 #1130680
Cross- CVE-2018-12126 CVE-2018-12127 CVE-2018-12130
CVE-2018-20815 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-2018-20815.html
https://www.suse.com/security/cve/CVE-2019-11091.html
https://bugzilla.suse.com/1027519
https://bugzilla.suse.com/1111331
https://bugzilla.suse.com/1130680
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Announcement ID: SUSE-SU-2019:1348-1
Rating: important
Topics Covered
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