CVE-2016-9845 Information disclosure in n/a

Medium 6.5 Published 29 Dec 2016 Updated 6 Aug 2024

A guest user can leak host memory contents via the Virtio GPU emulator in QEMU, requiring specific device support to be enabled.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2016-9845?

CVE-2016-9845 is a medium-severity vulnerability in Qemu Qemu, published on 29 Dec 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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

Weakness: CWE-200

Which versions are affected by CVE-2016-9845?

It affects 1 product.

Products include Qemu Qemu.

How do I fix CVE-2016-9845?

Apply the vendor's patch.

Is CVE-2016-9845 being exploited?

There is no known exploitation of CVE-2016-9845 in the wild and no public exploit code.

All Qemu Qemu vulnerabilities

Sources

Also known as DEBIAN-CVE-2016-9845, GHSA-4q8m-h7mw-rppj, UBUNTU-CVE-2016-9845.