CVE-2013-1964 Denial of service in n/a
Local guest administrators can crash the host or read sensitive information due to incorrect grant reference release in Xen.
- 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-2013-1964?
CVE-2013-1964 is a medium-severity denial of service vulnerability in Xen Xen, published on 21 May 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Xen 4.0.x and 4.1.x incorrectly releases a grant reference when releasing a non-v1, non-transitive grant, which allows local guest administrators to cause a denial of service (host crash), obtain sensitive information, or possibly have other impacts via unspecified vectors.
Weakness: CWE-264
Which versions are affected by CVE-2013-1964?
It affects 1 product.
Products include Xen Xen.
How do I fix CVE-2013-1964?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2013-1964 being exploited?
There is no known exploitation of CVE-2013-1964 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as DEBIAN-CVE-2013-1964, GHSA-7g4x-7cf6-p5m9.