CVE-2012-5511 Memory corruption in n/a
Local HVM guest administrators can crash the Xen hypervisor via a stack-based buffer overflow in video RAM tracking.
- 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-2012-5511?
CVE-2012-5511 is a medium-severity memory corruption 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
Stack-based buffer overflow in the dirty video RAM tracking functionality in Xen 3.4 through 4.1 allows local HVM guest OS administrators to cause a denial of service (crash) via a large bitmap image.
Weakness: CWE-119
Which versions are affected by CVE-2012-5511?
It affects 1 product.
Products include Xen Xen.
How do I fix CVE-2012-5511?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2012-5511 being exploited?
There is no known exploitation of CVE-2012-5511 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as DEBIAN-CVE-2012-5511, GHSA-9qfq-67cw-h54c.