CVE-2010-2070 Denial of service in n/a

Medium 4.9 Published 16 Jun 2010 Updated 7 Aug 2024

Local users on IA-64 systems can cause a denial of service by modifying the PSR user mask in the Xen fault handler.

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-2010-2070?

CVE-2010-2070 is a medium-severity denial of service vulnerability in n/a, published on 16 Jun 2010. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

arch/ia64/xen/faults.c in Xen 3.4 and 4.0 in Linux kernel 2.6.18, and possibly other kernel versions, when running on IA-64 architectures, allows local users to cause a denial of service and "turn on BE by modifying the user mask of the PSR," as demonstrated via exploitation of CVE-2006-0742.

Which versions are affected by CVE-2010-2070?

It affects 1 product.

Products include Xensource Xen.

How do I fix CVE-2010-2070?

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-2010-2070 being exploited?

There is no known exploitation of CVE-2010-2070 in the wild and no public exploit code.

Sources

Also known as GHSA-q8mm-64pp-462q.