CVE-2012-5513 Privilege escalation in n/a

Medium 6.9 Published 13 Dec 2012 Updated 6 Aug 2024

Local PV guest administrators can crash the hypervisor or gain privileges via improper memory address checks in the XENMEM_exchange handler.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2012-5513?

CVE-2012-5513 is a medium-severity vulnerability in Xen Xen, published on 13 Dec 2012. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range.

Weakness: CWE-20

Which versions are affected by CVE-2012-5513?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2012-5513?

Apply the vendor's patch.

Is CVE-2012-5513 being exploited?

There is no known exploitation of CVE-2012-5513 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as DEBIAN-CVE-2012-5513, GHSA-g9gx-4mw5-3rg7.