SUSE SLES11 Security Update : Xen (SUSE-SU-2015:1156-1)

This script is Copyright (C) 2015-2016 Tenable Network Security, Inc.


Synopsis :

The remote SUSE host is missing one or more security updates.

Description :

Xen was updated to fix six security issues :

CVE-2015-4103: Potential unintended writes to host MSI message data
field via qemu. (XSA-128, bsc#931625)

CVE-2015-4104: PCI MSI mask bits inadvertently exposed to guests.
(XSA-129, bsc#931626)

CVE-2015-4105: Guest triggerable qemu MSI-X pass-through error
messages. (XSA-130, bsc#931627)

CVE-2015-4106: Unmediated PCI register access in qemu. (XSA-131,
bsc#931628)

CVE-2015-3209: heap overflow in qemu pcnet controller allowing guest
to host escape. (XSA-135, bsc#932770)

CVE-2015-4164: DoS through iret hypercall handler. (XSA-136,
bsc#932996)

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

See also :

https://bugzilla.suse.com/931625
https://bugzilla.suse.com/931626
https://bugzilla.suse.com/931627
https://bugzilla.suse.com/931628
https://bugzilla.suse.com/932770
https://bugzilla.suse.com/932996
http://www.nessus.org/u?cbd169d9
https://www.suse.com/security/cve/CVE-2015-3209.html
https://www.suse.com/security/cve/CVE-2015-4103.html
https://www.suse.com/security/cve/CVE-2015-4104.html
https://www.suse.com/security/cve/CVE-2015-4105.html
https://www.suse.com/security/cve/CVE-2015-4106.html
https://www.suse.com/security/cve/CVE-2015-4164.html
http://www.nessus.org/u?baa6b0ae

Solution :

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 SP1 LTSS :

zypper in -t patch slessp1-xen-201506=10726

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

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 5.8
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: SuSE Local Security Checks

Nessus Plugin ID: 84468 ()

Bugtraq ID: 74947
74948
74949
74950
75123
75149

CVE ID: CVE-2015-3209
CVE-2015-4103
CVE-2015-4104
CVE-2015-4105
CVE-2015-4106
CVE-2015-4164

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