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Sicherheit: Mehrere Probleme in xen
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in xen
ID: SUSE-SU-2019:1348-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Server 12-LTSS
Datum: Sa, 25. Mai 2019, 00:41
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11091
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20815
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12126
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12130
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12127
Applikationen: Xen

Originalnachricht


SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID: SUSE-SU-2019:1348-1
Rating: important
References: #1027519 #1111331 #1130680
Cross-References: CVE-2018-12126 CVE-2018-12127 CVE-2018-12130
CVE-2018-20815 CVE-2019-11091
Affected Products:
SUSE Linux Enterprise Server 12-LTSS
______________________________________________________________________________

An update that fixes 5 vulnerabilities is now available.

Description:

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://www.suse.com/support/kb/doc/?id=7023736

Other fixes:

- CVE-2018-20815: Fixed a heap buffer overflow while loading device tree
blob (bsc#1130680).
- Added upstream bug fix (bsc#1027519).


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 Server 12-LTSS:

zypper in -t patch SUSE-SLE-SERVER-12-2019-1348=1



Package List:

- SUSE Linux Enterprise Server 12-LTSS (x86_64):

xen-4.4.4_40-22.80.1
xen-debugsource-4.4.4_40-22.80.1
xen-doc-html-4.4.4_40-22.80.1
xen-kmp-default-4.4.4_40_k3.12.61_52.149-22.80.1
xen-kmp-default-debuginfo-4.4.4_40_k3.12.61_52.149-22.80.1
xen-libs-32bit-4.4.4_40-22.80.1
xen-libs-4.4.4_40-22.80.1
xen-libs-debuginfo-32bit-4.4.4_40-22.80.1
xen-libs-debuginfo-4.4.4_40-22.80.1
xen-tools-4.4.4_40-22.80.1
xen-tools-debuginfo-4.4.4_40-22.80.1
xen-tools-domU-4.4.4_40-22.80.1
xen-tools-domU-debuginfo-4.4.4_40-22.80.1


References:

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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