CVE-2011-1166 Denial of service in n/a
A local 64-bit PV guest can crash the Xen host by specifying user mode execution without user-mode pagetables, causing 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-2011-1166?
CVE-2011-1166 is a medium-severity denial of service vulnerability in Xen Xen, published on 7 Jan 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Xen, possibly before 4.0.2, allows local 64-bit PV guests to cause a denial of service (host crash) by specifying user mode execution without user-mode pagetables.
Weakness: CWE-20
Which versions are affected by CVE-2011-1166?
It affects 1 product.
Products include Xen Xen.
How do I fix CVE-2011-1166?
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-2011-1166 being exploited?
There is no known exploitation of CVE-2011-1166 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as DEBIAN-CVE-2011-1166, GHSA-cr7m-pjw9-g2r9.