libvirt would allow unintended access privileges.
It was discovered that libvirt incorrectly checked privileges when the virConnectDomainXMLToNative API function was used. An attacker could possibly use this flaw to gain write privileges, contrary to expected behaviour.
11 November 2013
A security issue affects these releases of Ubuntu and its derivatives:
libvirt would allow unintended access privileges.
It was discovered that libvirt incorrectly checked privileges when the virConnectDomainXMLToNative API function was used. An attacker could possibly use this flaw to gain write privileges, contrary to expected behaviour.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make all the necessary changes.
Vulmon