CVE-2013-1442 Information disclosure in n/a

Low 1.2 Published 30 Sep 2013 Updated 6 Aug 2024

Local guest OSes can read sensitive information from CPU registers due to improper clearing in Xen hypervisor when using specific CPU features.

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-2013-1442?

CVE-2013-1442 is a low-severity vulnerability in Xen Xen, published on 30 Sep 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Xen 4.0 through 4.3.x, when using AVX or LWP capable CPUs, does not properly clear previous data from registers when using an XSAVE or XRSTOR to extend the state components of a saved or restored vCPU after touching other restored extended registers, which allows local guest OSes to obtain sensitive information by reading the registers.

Weakness: CWE-200

Which versions are affected by CVE-2013-1442?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2013-1442?

Apply the vendor's patch.

Is CVE-2013-1442 being exploited?

There is no known exploitation of CVE-2013-1442 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-1442, GHSA-pq8f-m2fp-4jv5.