Quick Emulator(Qemu) built with the Virtio GPU Device emulator support is
vulnerable to a memory leakage issue. It could occur while destroying gpu
resource object in 'virtio_gpu_resource_destroy'.
A guest user/process could use this flaw to leak host memory bytes, resulting
in DoS for a host.
Created qemu tracking bugs for this issue:
Affects: fedora-all [bug 1402285]
Author: Li Qiang <liq3ea>
Date: Mon Nov 28 21:29:25 2016 -0500
virtio-gpu: call cleanup mapping function in resource destroy