CVE-2012-6333 Denial of service in n/a
Local HVM guest administrators can cause a denial of service by consuming physical CPU resources via large inputs in Xen hypervisor.
- 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-2012-6333?
CVE-2012-6333 is a medium-severity denial of service 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
Multiple HVM control operations in Xen 3.4 through 4.2 allow local HVM guest OS administrators to cause a denial of service (physical CPU consumption) via a large input.
Weakness: CWE-399
Which versions are affected by CVE-2012-6333?
It affects 1 product.
Products include Xen Xen.
How do I fix CVE-2012-6333?
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-2012-6333 being exploited?
There is no known exploitation of CVE-2012-6333 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as DEBIAN-CVE-2012-6333, GHSA-32g2-hc9h-69wc.