USN-1180-1: libvirt vulnerability

Ubuntu Security Notice USN-1180-1

28th July, 2011

libvirt vulnerability

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

  • Ubuntu 11.04
  • Ubuntu 10.10
  • Ubuntu 10.04 LTS


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

Software description

  • libvirt - Libvirt virtualization toolkit


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 version:

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

To update your system, please follow these instructions:

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