CVE-2013-4377 Use after free in n/a

Low 2.3 Published 11 Oct 2013 Updated 6 Aug 2024

Local users can crash the Qemu daemon by hot-unplugging a virtio device, causing a denial of service.

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-2013-4377?

CVE-2013-4377 is a low-severity use after free vulnerability in Qemu Qemu, published on 11 Oct 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Use-after-free vulnerability in the virtio-pci implementation in Qemu 1.4.0 through 1.6.0 allows local users to cause a denial of service (daemon crash) by "hot-unplugging" a virtio device.

Weakness: CWE-399

Which versions are affected by CVE-2013-4377?

It affects 1 product.

Products include Qemu Qemu.

How do I fix CVE-2013-4377?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2013-4377 being exploited?

There is no known exploitation of CVE-2013-4377 in the wild and no public exploit code.

All Qemu Qemu vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-4377, GHSA-rr2r-jfm5-mmxg, MGASA-2014-0060.