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Sicherheit: Preisgabe von Informationen in xen
Aktuelle Meldungen Distributionen
Name: Preisgabe von Informationen in xen
ID: openSUSE-SU-2018:2434-1
Distribution: SUSE
Plattformen: SUSE openSUSE Leap 42.3
Datum: So, 19. August 2018, 18:04
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3646
Applikationen: Xen

Originalnachricht

   openSUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID: openSUSE-SU-2018:2434-1
Rating: important
References: #1027519 #1091107 #1103276
Cross-References: CVE-2018-3646
Affected Products:
openSUSE Leap 42.3
______________________________________________________________________________

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)

This update was imported from the SUSE:SLE-12-SP3:Update update project.


Patch Instructions:

To install this openSUSE 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:

- openSUSE Leap 42.3:

zypper in -t patch openSUSE-2018-910=1



Package List:

- openSUSE Leap 42.3 (x86_64):

xen-4.9.2_10-28.1
xen-debugsource-4.9.2_10-28.1
xen-devel-4.9.2_10-28.1
xen-doc-html-4.9.2_10-28.1
xen-libs-4.9.2_10-28.1
xen-libs-debuginfo-4.9.2_10-28.1
xen-tools-4.9.2_10-28.1
xen-tools-debuginfo-4.9.2_10-28.1
xen-tools-domU-4.9.2_10-28.1
xen-tools-domU-debuginfo-4.9.2_10-28.1


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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