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Sicherheit: Mehrere Probleme in Xen
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Xen
ID: SUSE-SU-2017:1795-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Server for SAP 12, SUSE Linux Enterprise Server 12-LTSS
Datum: Do, 6. Juli 2017, 16:46
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10918
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10915
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8905
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8112
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8309
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10922
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9503
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10921
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9374
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10912
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10920
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9330
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10913
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10911
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10914
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10917

Originalnachricht

   SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID: SUSE-SU-2017:1795-1
Rating: important
References: #1014136 #1026236 #1027519 #1031460 #1032148
#1034845 #1036470 #1037243 #1042160 #1042863
#1042882 #1042893 #1042915 #1042924 #1042931
#1042938 #1043074 #1043297
Cross-References: CVE-2017-10911 CVE-2017-10912 CVE-2017-10913
CVE-2017-10914 CVE-2017-10915 CVE-2017-10917
CVE-2017-10918 CVE-2017-10920 CVE-2017-10921
CVE-2017-10922 CVE-2017-8112 CVE-2017-8309
CVE-2017-8905 CVE-2017-9330 CVE-2017-9374
CVE-2017-9503
Affected Products:
SUSE Linux Enterprise Server for SAP 12
SUSE Linux Enterprise Server 12-LTSS
______________________________________________________________________________

An update that solves 16 vulnerabilities and has two fixes
is now available.

Description:

This update for xen fixes several issues.

These security issues were fixed:

- CVE-2017-9503: The MegaRAID SAS 8708EM2 Host Bus Adapter emulation
support was vulnerable to a null pointer dereference issue which allowed
a privileged user inside guest to crash the Qemu process on the host
resulting in DoS (bsc#1043297)
- CVE-2017-9374: Missing free of 's->ipacket', causes a host
memory leak,
allowing for DoS (bsc#1043074)
- CVE-2017-10911: blkif responses leaked backend stack data, which allowed
unprivileged guest to obtain sensitive information from the host or
other guests (XSA-216, bsc#1042863)
- CVE-2017-10912: Page transfer might have allowed PV guest to elevate
privilege (XSA-217, bsc#1042882)
- CVE-2017-10913, CVE-2017-10914: Races in the grant table unmap code
allowed for informations leaks and potentially privilege escalation
(XSA-218, bsc#1042893)
- CVE-2017-10915: 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)
- CVE-2017-10917: Missing NULL pointer check in event channel poll allows
guests to DoS the host (XSA-221, bsc#1042924)
- CVE-2017-10918: Stale P2M mappings due to insufficient error checking
allowed malicious guest to leak information or elevate privileges
(XSA-222, bsc#1042931)
- CVE-2017-10920, CVE-2017-10921, CVE-2017-10922: 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-2017-8112: hw/scsi/vmw_pvscsi.c allowed local guest OS privileged
users to cause a denial of service (infinite loop and CPU consumption)
via the message ring page count (bsc#1036470)
- 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).

These non-security issues were fixed:

- bsc#1031460: Fixed DomU Live Migration
- bsc#1014136: Fixed kdump SLES12-SP2
- bsc#1026236: Equalized paravirtualized vs. fully virtualized migration
speed
- bsc#1032148: Ensure that time doesn't goes backwards during live
migration of HVM domU
- bsc#1027519: Included various upstream patches


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 for SAP 12:

zypper in -t patch SUSE-SLE-SAP-12-2017-1118=1

- SUSE Linux Enterprise Server 12-LTSS:

zypper in -t patch SUSE-SLE-SERVER-12-2017-1118=1

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


Package List:

- SUSE Linux Enterprise Server for SAP 12 (x86_64):

xen-4.4.4_21-22.42.1
xen-debugsource-4.4.4_21-22.42.1
xen-doc-html-4.4.4_21-22.42.1
xen-kmp-default-4.4.4_21_k3.12.61_52.77-22.42.1
xen-kmp-default-debuginfo-4.4.4_21_k3.12.61_52.77-22.42.1
xen-libs-32bit-4.4.4_21-22.42.1
xen-libs-4.4.4_21-22.42.1
xen-libs-debuginfo-32bit-4.4.4_21-22.42.1
xen-libs-debuginfo-4.4.4_21-22.42.1
xen-tools-4.4.4_21-22.42.1
xen-tools-debuginfo-4.4.4_21-22.42.1
xen-tools-domU-4.4.4_21-22.42.1
xen-tools-domU-debuginfo-4.4.4_21-22.42.1

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

xen-4.4.4_21-22.42.1
xen-debugsource-4.4.4_21-22.42.1
xen-doc-html-4.4.4_21-22.42.1
xen-kmp-default-4.4.4_21_k3.12.61_52.77-22.42.1
xen-kmp-default-debuginfo-4.4.4_21_k3.12.61_52.77-22.42.1
xen-libs-32bit-4.4.4_21-22.42.1
xen-libs-4.4.4_21-22.42.1
xen-libs-debuginfo-32bit-4.4.4_21-22.42.1
xen-libs-debuginfo-4.4.4_21-22.42.1
xen-tools-4.4.4_21-22.42.1
xen-tools-debuginfo-4.4.4_21-22.42.1
xen-tools-domU-4.4.4_21-22.42.1
xen-tools-domU-debuginfo-4.4.4_21-22.42.1


References:

https://www.suse.com/security/cve/CVE-2017-10911.html
https://www.suse.com/security/cve/CVE-2017-10912.html
https://www.suse.com/security/cve/CVE-2017-10913.html
https://www.suse.com/security/cve/CVE-2017-10914.html
https://www.suse.com/security/cve/CVE-2017-10915.html
https://www.suse.com/security/cve/CVE-2017-10917.html
https://www.suse.com/security/cve/CVE-2017-10918.html
https://www.suse.com/security/cve/CVE-2017-10920.html
https://www.suse.com/security/cve/CVE-2017-10921.html
https://www.suse.com/security/cve/CVE-2017-10922.html
https://www.suse.com/security/cve/CVE-2017-8112.html
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://www.suse.com/security/cve/CVE-2017-9374.html
https://www.suse.com/security/cve/CVE-2017-9503.html
https://bugzilla.suse.com/1014136
https://bugzilla.suse.com/1026236
https://bugzilla.suse.com/1027519
https://bugzilla.suse.com/1031460
https://bugzilla.suse.com/1032148
https://bugzilla.suse.com/1034845
https://bugzilla.suse.com/1036470
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/1042924
https://bugzilla.suse.com/1042931
https://bugzilla.suse.com/1042938
https://bugzilla.suse.com/1043074
https://bugzilla.suse.com/1043297

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