[security-announce] SUSE-SU-2016:0010-1: important: Security update for kvm

[news 28]

SUSE Security Update: Security update for kvm

______________________________________________________________________________

 

Announcement ID: SUSE-SU-2016:0010-1

Rating: important

References: #947164 #950590 #953187 #956829 #957162

Cross-References: CVE-2015-7512 CVE-2015-8345

Affected Products:

SUSE Linux Enterprise Server 11-SP4

SUSE Linux Enterprise Desktop 11-SP4

______________________________________________________________________________

 

An update that solves two vulnerabilities and has three

fixes is now available.

 

Description:

 

 

This update for kvm fixes the following issues:

 

Security issues fixed:

- CVE-2015-7512: The receive packet size is now checked in the emulated

pcnet driver, eliminating buffer overflow and potential security issue

by malicious guest systems. (bsc#957162)

- CVE-2015-8345: A infinite loop in processing command block list was

fixed that could be exploit by malicious guest systems (bsc#956829).

 

Other bugs fixed:

- To assist users past the migration incompatibility discussed in

bsc#950590 (restore migration compatibility with SLE11 SP3 and SLE12, at

the unfortunate expense to prior SLE11 SP4 kvm release compatability

when a virtio-net device is used), print a message which references the

support document TID 7017048. See

https://www.suse.com/support/kb/doc.php?id=7017048

- Fix cases of wrong clock values in kvmclock timekeeping (bsc#947164 and

bsc#953187)

- Enforce pxe rom sizes to ensure migration compatibility. (bsc#950590)

- Fix kvm live migration fails between sles11 sp3 and sp4 (bsc#950590)

 

 

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-SP4:

 

zypper in -t patch slessp4-kvm-12293=1

 

- SUSE Linux Enterprise Desktop 11-SP4:

 

zypper in -t patch sledsp4-kvm-12293=1

 

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

 

 

Package List:

 

- SUSE Linux Enterprise Server 11-SP4 (i586 s390x x86_64):

 

kvm-1.4.2-35.1

 

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

 

kvm-1.4.2-35.1

 

 

References:

 

https://www.suse.com/security/cve/CVE-2015-7512.html

https://www.suse.com/security/cve/CVE-2015-8345.html

https://bugzilla.suse.com/947164

https://bugzilla.suse.com/950590

https://bugzilla.suse.com/953187

https://bugzilla.suse.com/956829

https://bugzilla.suse.com/957162

 

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