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Sicherheit: Preisgabe von Informationen in xen
Aktuelle Meldungen Distributionen
Name: Preisgabe von Informationen in xen
ID: SUSE-SU-2018:2409-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Module for Basesystem 15, SUSE Linux Enterprise Module for Server Applications 15
Datum: Fr, 17. August 2018, 20:31
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3646
Applikationen: Xen

Originalnachricht

   SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID: SUSE-SU-2018:2409-1
Rating: important
References: #1027519 #1091107 #1103276
Cross-References: CVE-2018-3646
Affected Products:
SUSE Linux Enterprise Module for Server Applications 15
SUSE Linux Enterprise Module for Basesystem 15
______________________________________________________________________________

An update that solves one vulnerability and has two fixes
is now available.

Description:

This update for xen fixes the following security issues:

- CVE-2018-3646: Systems with microprocessors utilizing speculative
execution and address translations may have allowed unauthorized
disclosure of information residing in the L1 data cache to an attacker
with local user access with guest OS privilege via a terminal page fault
and a side-channel analysis (bsc#1091107, bsc#1027519).
- Incorrect MSR_DEBUGCTL handling let guests enable BTS allowing a
malicious or buggy guest administrator can lock up the entire host
(bsc#1103276)


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 Module for Server Applications 15:

zypper in -t patch SUSE-SLE-Module-Server-Applications-15-2018-1663=1

- SUSE Linux Enterprise Module for Basesystem 15:

zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-1663=1



Package List:

- SUSE Linux Enterprise Module for Server Applications 15 (x86_64):

xen-4.10.1_08-3.6.1
xen-debugsource-4.10.1_08-3.6.1
xen-devel-4.10.1_08-3.6.1
xen-tools-4.10.1_08-3.6.1
xen-tools-debuginfo-4.10.1_08-3.6.1

- SUSE Linux Enterprise Module for Basesystem 15 (x86_64):

xen-debugsource-4.10.1_08-3.6.1
xen-libs-4.10.1_08-3.6.1
xen-libs-debuginfo-4.10.1_08-3.6.1
xen-tools-domU-4.10.1_08-3.6.1
xen-tools-domU-debuginfo-4.10.1_08-3.6.1


References:

https://www.suse.com/security/cve/CVE-2018-3646.html
https://bugzilla.suse.com/1027519
https://bugzilla.suse.com/1091107
https://bugzilla.suse.com/1103276

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