CVE-2013-6457 Memory corruption in n/a

Medium 5.2 Published 24 Jan 2014 Updated 6 Aug 2024

Local attackers can trigger a crash or execute arbitrary code via improper memory initialization in the libxl driver when interacting with inactive domains.

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-2013-6457?

CVE-2013-6457 is a medium-severity memory corruption vulnerability in Redhat Libvirt, published on 24 Jan 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The libxlDomainGetNumaParameters function in the libxl driver (libxl/libxl_driver.c) in libvirt before 1.2.1 does not properly initialize the nodemap, which allows local users to cause a denial of service (invalid free operation and crash) or possibly execute arbitrary code via an inactive domain to the virsh numatune command.

Weakness: CWE-264

Which versions are affected by CVE-2013-6457?

It affects 1 product.

Products include Redhat Libvirt.

How do I fix CVE-2013-6457?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2013-6457 being exploited?

There is no known exploitation of CVE-2013-6457 in the wild and no public exploit code.

All Redhat Libvirt vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-6457, GHSA-cw6x-8qwh-8q47.