CVE-2013-4329 Privilege escalation in n/a

Medium 6.5 Published 12 Sep 2013 Updated 6 Aug 2024

Local HVM guest domains can escalate privileges or cause denial of service via DMA instructions when IOMMU is disabled in Xen.

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-2013-4329?

CVE-2013-4329 is a medium-severity vulnerability in Xen Xen, published on 12 Sep 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The xenlight library (libxl) in Xen 4.0.x through 4.2.x, when IOMMU is disabled, provides access to a busmastering-capable PCI passthrough device before the IOMMU setup is complete, which allows local HVM guest domains to gain privileges or cause a denial of service via a DMA instruction.

Weakness: CWE-264

Which versions are affected by CVE-2013-4329?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2013-4329?

Apply the vendor's patch.

Is CVE-2013-4329 being exploited?

There is no known exploitation of CVE-2013-4329 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-4329, GHSA-m6p7-5mj3-hmp2.