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Sicherheit: Mehrere Probleme in Xen
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Xen
ID: SUSE-SU-2017:1715-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Debuginfo 11-SP3, SUSE Linux Enterprise Server 11-SP3-LTSS, SUSE Linux Enterprise Point of Sale 11-SP3
Datum: Do, 29. Juni 2017, 16:23
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9330
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8905
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8309

Originalnachricht

   SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID: SUSE-SU-2017:1715-1
Rating: important
References: #1034845 #1037243 #1042160 #1042863 #1042882
#1042893 #1042915 #1042931 #1042938
Cross-References: CVE-2017-8309 CVE-2017-8905 CVE-2017-9330

Affected Products:
SUSE Linux Enterprise Server 11-SP3-LTSS
SUSE Linux Enterprise Point of Sale 11-SP3
SUSE Linux Enterprise Debuginfo 11-SP3
______________________________________________________________________________

An update that solves three vulnerabilities and has 6 fixes
is now available.

Description:

This update for xen fixes the following security issues:

- blkif responses leaked backend stack data, which allowed unprivileged
guest to obtain sensitive information from the host or other guests
(XSA-216, bsc#1042863)
- Page transfer might have allowed PV guest to elevate privilege (XSA-217,
bsc#1042882)
- Races in the grant table unmap code allowed for informations leaks and
potentially privilege escalation (XSA-218, bsc#1042893)
- Insufficient reference counts during shadow emulation allowed a
malicious pair of guest to elevate their privileges to the privileges
that XEN runs under (XSA-219, bsc#1042915)
- Stale P2M mappings due to insufficient error checking allowed malicious
guest to leak information or elevate privileges (XSA-222, bsc#1042931)
- Grant table operations mishandled reference counts allowing malicious
guests to escape (XSA-224, bsc#1042938)
- CVE-2017-9330: USB OHCI Emulation in qemu allowed local guest OS users
to cause a denial of service (infinite loop) by leveraging an incorrect
return value (bsc#1042160)
- CVE-2017-8309: Memory leak in the audio/audio.c allowed remote attackers
to cause a denial of service (memory consumption) by repeatedly starting
and stopping audio capture (bsc#1037243)
- CVE-2017-8905: Xen a failsafe callback, which might have allowed PV
guest OS users to execute arbitrary code on the host OS (XSA-215,
bsc#1034845).


Patch Instructions:

To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:

- SUSE Linux Enterprise Server 11-SP3-LTSS:

zypper in -t patch slessp3-xen-13181=1

- SUSE Linux Enterprise Point of Sale 11-SP3:

zypper in -t patch sleposp3-xen-13181=1

- SUSE Linux Enterprise Debuginfo 11-SP3:

zypper in -t patch dbgsp3-xen-13181=1

To bring your system up-to-date, use "zypper patch".


Package List:

- SUSE Linux Enterprise Server 11-SP3-LTSS (i586 x86_64):

xen-kmp-default-4.2.5_21_3.0.101_0.47.102-44.1
xen-libs-4.2.5_21-44.1
xen-tools-domU-4.2.5_21-44.1

- SUSE Linux Enterprise Server 11-SP3-LTSS (x86_64):

xen-4.2.5_21-44.1
xen-doc-html-4.2.5_21-44.1
xen-doc-pdf-4.2.5_21-44.1
xen-libs-32bit-4.2.5_21-44.1
xen-tools-4.2.5_21-44.1

- SUSE Linux Enterprise Server 11-SP3-LTSS (i586):

xen-kmp-pae-4.2.5_21_3.0.101_0.47.102-44.1

- SUSE Linux Enterprise Point of Sale 11-SP3 (i586):

xen-kmp-default-4.2.5_21_3.0.101_0.47.102-44.1
xen-kmp-pae-4.2.5_21_3.0.101_0.47.102-44.1
xen-libs-4.2.5_21-44.1
xen-tools-domU-4.2.5_21-44.1

- SUSE Linux Enterprise Debuginfo 11-SP3 (i586 x86_64):

xen-debuginfo-4.2.5_21-44.1
xen-debugsource-4.2.5_21-44.1


References:

https://www.suse.com/security/cve/CVE-2017-8309.html
https://www.suse.com/security/cve/CVE-2017-8905.html
https://www.suse.com/security/cve/CVE-2017-9330.html
https://bugzilla.suse.com/1034845
https://bugzilla.suse.com/1037243
https://bugzilla.suse.com/1042160
https://bugzilla.suse.com/1042863
https://bugzilla.suse.com/1042882
https://bugzilla.suse.com/1042893
https://bugzilla.suse.com/1042915
https://bugzilla.suse.com/1042931
https://bugzilla.suse.com/1042938

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