============================================================================ Ubuntu Security Notice USN-1714-1 February 05, 2013 xserver-xorg-video-qxl vulnerability ============================================================================ A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 LTS - Ubuntu 11.10 Summary: Guests using the QXL graphics driver could be caused to hang or crash. Software Description: - xserver-xorg-video-qxl: X.Org X server -- QXL display driver Details: It was discovered that the QXL graphics driver incorrectly handled terminated connections. An attacker that could connect to a guest using SPICE and the QXL graphics driver could cause the guest to hang or crash, resulting in a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 LTS: xserver-xorg-video-qxl 0.0.16-2ubuntu0.1 Ubuntu 11.10: xserver-xorg-video-qxl 0.0.14-1ubuntu0.1 After a standard system update you need to reboot your computer to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-1714-1 CVE-2013-0241 Package Information: https://launchpad.net/ubuntu/+source/xserver-xorg-video-qxl/0.0.16-2ubuntu0.1 https://launchpad.net/ubuntu/+source/xserver-xorg-video-qxl/0.0.14-1ubuntu0.1