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[security-announce] SUSE-SU-2015:0944-1: important: Security update for Xen

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SUSE Security Update: Security update for Xen

______________________________________________________________________________

 

Announcement ID: SUSE-SU-2015:0944-1

Rating: important

References: #910441 #927967 #929339

Cross-References: CVE-2015-3340 CVE-2015-3456

Affected Products:

SUSE Linux Enterprise Server 11 SP2 LTSS

______________________________________________________________________________

 

An update that solves two vulnerabilities and has one

errata is now available.

 

Description:

 

 

Xen was updated to fix two security issues and a bug:

 

* CVE-2015-3456: A buffer overflow in the floppy drive emulation,

which could be used to carry out denial of service attacks or

potential code execution against the host. This vulnerability is

also known as VENOM.

* CVE-2015-3340: Xen did not initialize certain fields, which allowed

certain remote service domains to obtain sensitive information from

memory via a (1) XEN_DOMCTL_gettscinfo or (2)

XEN_SYSCTL_getdomaininfolist request.

* An exception in setCPUAffinity when restoring guests. (bsc#910441)

 

Security Issues:

 

* CVE-2015-3456

 

* CVE-2015-3340

 

 

 

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 SP2 LTSS:

 

zypper in -t patch slessp2-xen=10685

 

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

 

 

Package List:

 

- SUSE Linux Enterprise Server 11 SP2 LTSS (i586 x86_64):

 

xen-devel-4.1.6_08-0.11.1

xen-kmp-default-4.1.6_08_3.0.101_0.7.29-0.11.1

xen-kmp-trace-4.1.6_08_3.0.101_0.7.29-0.11.1

xen-libs-4.1.6_08-0.11.1

xen-tools-domU-4.1.6_08-0.11.1

 

- SUSE Linux Enterprise Server 11 SP2 LTSS (x86_64):

 

xen-4.1.6_08-0.11.1

xen-doc-html-4.1.6_08-0.11.1

xen-doc-pdf-4.1.6_08-0.11.1

xen-libs-32bit-4.1.6_08-0.11.1

xen-tools-4.1.6_08-0.11.1

 

- SUSE Linux Enterprise Server 11 SP2 LTSS (i586):

 

xen-kmp-pae-4.1.6_08_3.0.101_0.7.29-0.11.1

 

 

References:

 

https://www.suse.com/security/cve/CVE-2015-3340.html

https://www.suse.com/security/cve/CVE-2015-3456.html

https://bugzilla.suse.com/910441

https://bugzilla.suse.com/927967

https://bugzilla.suse.com/929339

https://download.suse.com/patch/finder/?keywords=8be2bb05e7093a3facd3bc07a934547b

 

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For additional commands, e-mail: opensuse-security-announce+help ( -at -) opensuse.org

 

 

 

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