CVE-2013-2078 Denial of service in n/a
Local guest users can crash the Xen hypervisor by sending specific bit combinations to the XSETBV instruction, causing a denial of service.
- 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-2013-2078?
CVE-2013-2078 is a medium-severity denial of service vulnerability in Xen Xen, published on 14 Aug 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Xen 4.0.2 through 4.0.4, 4.1.x, and 4.2.x allows local PV guest users to cause a denial of service (hypervisor crash) via certain bit combinations to the XSETBV instruction.
Weakness: CWE-20
Which versions are affected by CVE-2013-2078?
It affects 1 product.
Products include Xen Xen.
How do I fix CVE-2013-2078?
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-2013-2078 being exploited?
There is no known exploitation of CVE-2013-2078 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as DEBIAN-CVE-2013-2078, GHSA-wh6h-93r6-prr7.