CVE-2013-0151 Denial of service in n/a
Guest OS users with administrative access can crash the host OS via nested virtualization operations on x86_32 Xen systems.
- 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-2013-0151?
CVE-2013-0151 is a medium-severity denial of service vulnerability in Xen Xen, published on 7 Mar 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The do_hvm_op function in xen/arch/x86/hvm/hvm.c in Xen 4.2.x on the x86_32 platform does not prevent HVM_PARAM_NESTEDHVM (aka nested virtualization) operations, which allows guest OS users to cause a denial of service (long-duration page mappings and host OS crash) by leveraging administrative access to an HVM guest in a domain with a large number of VCPUs.
Weakness: CWE-264
Which versions are affected by CVE-2013-0151?
It affects 1 product.
Products include Xen Xen.
How do I fix CVE-2013-0151?
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-2013-0151 being exploited?
There is no known exploitation of CVE-2013-0151 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as GHSA-m64p-frgg-6gxh.