The vulnerability of the QEMU hardware emulation software allows a hacker to trigger a system failure or cause other adverse effects on the system.

The vulnerability of the Virtio GPU emulation software in QEMU is related to the lack of protection for service data. Exploiting this vulnerability could allow an intruder, operating locally, to trigger a service failure or cause other effects on the system as a result of updating the cursor data...

DEBIAN-CVE-2016-9845

QEMU aka Quick Emulator built with the Virtio GPU Device emulator support is vulnerable to an information leakage issue. It could occur while processing 'VIRTIOGPUCMDGETCAPSETINFO' command. A guest user/process could use this flaw to leak contents of the host memory bytes...