[USN-1180-1] libvirt vulnerability

[Jamie Strandboge]

==========================================================================
Ubuntu Security Notice USN-1180-1
July 28, 2011

libvirt vulnerability
==========================================================================

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

- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS

Summary:

An authenticated attacker could send crafted input to libvirt and cause it
to crash.

Software Description:
- libvirt: Libvirt virtualization toolkit

Details:

Eric Blake discovered an integer overflow flaw in libvirt. A remote
authenticated attacker could exploit this by sending a crafted VCPU RPC
call and cause a denial of service via application crash.

Update instructions:

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

Ubuntu 11.04:
  libvirt-bin                     0.8.8-1ubuntu6.5

Ubuntu 10.10:
  libvirt-bin                     0.8.3-1ubuntu19.1

Ubuntu 10.04 LTS:
  libvirt-bin                     0.7.5-5ubuntu27.16

In general, a standard system update will make all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-1180-1
  CVE-2011-2511

Package Information:
  https://launchpad.net/ubuntu/+source/libvirt/0.8.8-1ubuntu6.5
  https://launchpad.net/ubuntu/+source/libvirt/0.8.3-1ubuntu19.1
  https://launchpad.net/ubuntu/+source/libvirt/0.7.5-5ubuntu27.16


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