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USN-1714-1: QXL graphics driver vulnerability

5 February 2013

Guests using the QXL graphics driver could be caused to hang or crash.




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
Ubuntu 11.10

After a standard system update you need to reboot your computer to make
all the necessary changes.