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Sicherheit: Preisgabe von Informationen in xen
Aktuelle Meldungen Distributionen
Name: Preisgabe von Informationen in xen
ID: SUSE-SU-2018:2482-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Software Development Kit 11-SP4, SUSE Linux Enterprise Server 11-SP4, SUSE Linux Enterprise Debuginfo 11-SP4
Datum: Do, 23. August 2018, 07:38
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-2018:2482-1
Rating: important
References: #1027519 #1091107 #1092631 #1101684 #1102116

Cross-References: CVE-2018-3646
Affected Products:
SUSE Linux Enterprise Software Development Kit 11-SP4
SUSE Linux Enterprise Server 11-SP4
SUSE Linux Enterprise Debuginfo 11-SP4
______________________________________________________________________________

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

Description:

This update for xen fixes the following issues:

This security issue was fixed:

- 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).

These non-security issues were fixed:

- bsc#1102116: SSBD is not virtualized for guests
- bsc#1092631: Preserve the xl dmesg output after boot for determining
what speculative mitigations have been detected by the hypervisor.
- bsc#1101684: Make xen able to disable the visibility of the new CPU
flags.


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 Software Development Kit 11-SP4:

zypper in -t patch sdksp4-xen-13749=1

- SUSE Linux Enterprise Server 11-SP4:

zypper in -t patch slessp4-xen-13749=1

- SUSE Linux Enterprise Debuginfo 11-SP4:

zypper in -t patch dbgsp4-xen-13749=1



Package List:

- SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 x86_64):

xen-devel-4.4.4_36-61.37.2

- SUSE Linux Enterprise Server 11-SP4 (i586 x86_64):

xen-kmp-default-4.4.4_36_3.0.101_108.68-61.37.2
xen-libs-4.4.4_36-61.37.2
xen-tools-domU-4.4.4_36-61.37.2

- SUSE Linux Enterprise Server 11-SP4 (x86_64):

xen-4.4.4_36-61.37.2
xen-doc-html-4.4.4_36-61.37.2
xen-libs-32bit-4.4.4_36-61.37.2
xen-tools-4.4.4_36-61.37.2

- SUSE Linux Enterprise Server 11-SP4 (i586):

xen-kmp-pae-4.4.4_36_3.0.101_108.68-61.37.2

- SUSE Linux Enterprise Debuginfo 11-SP4 (i586 x86_64):

xen-debuginfo-4.4.4_36-61.37.2
xen-debugsource-4.4.4_36-61.37.2


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/1092631
https://bugzilla.suse.com/1101684
https://bugzilla.suse.com/1102116

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