CVE-2013-4153 Use after free in n/a

Medium 5.0 Published 30 Sep 2013 Updated 6 Aug 2024

Remote attackers can crash the libvirt daemon via a double free vulnerability in the QEMU agent CPU count request handler.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2013-4153?

CVE-2013-4153 is a medium-severity use after free vulnerability in Redhat Libvirt, published on 30 Sep 2013. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Double free vulnerability in the qemuAgentGetVCPUs function in qemu/qemu_agent.c in libvirt 1.0.6 through 1.1.0 allows remote attackers to cause a denial of service (daemon crash) via a cpu count request, as demonstrated by the "virsh vcpucount dom --guest" command.

Weakness: CWE-399

Which versions are affected by CVE-2013-4153?

It affects 1 product.

Products include Redhat Libvirt.

How do I fix CVE-2013-4153?

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-2013-4153 being exploited?

There is no known exploitation of CVE-2013-4153 in the wild and no public exploit code.

All Redhat Libvirt vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-4153, GHSA-rgq3-5v68-49wc.