CVE-2013-1918 Denial of service in n/a
Local paravirtualized kernels can cause a denial of service in Xen hypervisor via deep page table traversal operations.
- 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-2013-1918?
CVE-2013-1918 is a medium-severity denial of service vulnerability in Xen Xen, published on 13 May 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Certain page table manipulation operations in Xen 4.1.x, 4.2.x, and earlier are not preemptible, which allows local PV kernels to cause a denial of service via vectors related to "deep page table traversal."
Weakness: CWE-119
Which versions are affected by CVE-2013-1918?
It affects 1 product.
Products include Xen Xen.
How do I fix CVE-2013-1918?
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-2013-1918 being exploited?
There is no known exploitation of CVE-2013-1918 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as DEBIAN-CVE-2013-1918, GHSA-vpwm-gh3g-c2m8.