Articles / Ubuntu: Security update for…

Ubuntu: Security update for QEMU

It was discovered that QEMU incorrectly handled certain e1000 packet sizes. In certain environments, an attacker may use this flaw in combination with large packets to cause a denial of service or execute arbitrary code in the guest.

Updated packages are available from security.ubuntu.com.

==========================================================================
Ubuntu Security Notice USN-1692-1
January 16, 2013

qemu-kvm vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 10.04 LTS

Summary:

QEMU could be made to crash or run programs if it received specially
crafted network traffic.

Software Description:
- qemu-kvm: Machine emulator and virtualizer

Details:

It was discovered that QEMU incorrectly handled certain e1000 packet sizes.
In certain environments, an attacker may use this flaw in combination with
large packets to cause a denial of service or execute arbitrary code in the
guest.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 12.10:
 qemu-kvm                        1.2.0+noroms-0ubuntu2.12.10.2

Ubuntu 12.04 LTS:
 qemu-kvm                        1.0+noroms-0ubuntu14.7

Ubuntu 11.10:
 qemu-kvm                        0.14.1+noroms-0ubuntu6.6

Ubuntu 10.04 LTS:
 qemu-kvm                        0.12.3+noroms-0ubuntu9.21

After a standard system update you need to restart your virtual machines to
make all the necessary changes.

References:
 http://www.ubuntu.com/usn/usn-1692-1
 CVE-2012-6075

Package Information:

https://launchpad.net/ubuntu/+source/qemu-kvm/1.2.0+noroms-0ubuntu2.12.10.2
 https://launchpad.net/ubuntu/+source/qemu-kvm/1.0+noroms-0ubuntu14.7
 https://launchpad.net/ubuntu/+source/qemu-kvm/0.14.1+noroms-0ubuntu6.6
 https://launchpad.net/ubuntu/+source/qemu-kvm/0.12.3+noroms-0ubuntu9.21
Screenshot

Project Spotlight

Kigo Video Converter Ultimate for Mac

A tool for converting and editing videos.

Screenshot

Project Spotlight

Kid3

An efficient tagger for MP3, Ogg/Vorbis, and FLAC files.