CVE-2013-2212 Denial of service in n/a
Local HVM guests can cause a denial of service in the Xen hypervisor by triggering CPU consumption or kernel panics via crafted memory mapped I/O regions.
- 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-2013-2212?
CVE-2013-2212 is a medium-severity denial of service vulnerability in Xen Xen, published on 28 Aug 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The vmx_set_uc_mode function in Xen 3.3 through 4.3, when disabling caches, allows local HVM guests with access to memory mapped I/O regions to cause a denial of service (CPU consumption and possibly hypervisor or guest kernel panic) via a crafted GFN range.
Weakness: CWE-119
Which versions are affected by CVE-2013-2212?
It affects 1 product.
Products include Xen Xen.
How do I fix CVE-2013-2212?
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-2013-2212 being exploited?
There is no known exploitation of CVE-2013-2212 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as DEBIAN-CVE-2013-2212, GHSA-489v-cqqf-vxgv.