CVE-2013-4361 Information disclosure in n/a

Low 2.1 Published 1 Oct 2013 Updated 6 Aug 2024

Local HVM guests can read hypervisor stack information due to incorrect variable usage in fbld instruction emulation.

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-2013-4361?

CVE-2013-4361 is a low-severity vulnerability in Xen Xen, published on 1 Oct 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The fbld instruction emulation in Xen 3.3.x through 4.3.x does not use the correct variable for the source effective address, which allows local HVM guests to obtain hypervisor stack information by reading the values used by the instruction.

Weakness: CWE-200

Which versions are affected by CVE-2013-4361?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2013-4361?

Apply the vendor's patch.

Is CVE-2013-4361 being exploited?

There is no known exploitation of CVE-2013-4361 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-4361, GHSA-jmgg-m7r5-7296.