CVE-2015-4105 Denial of service in n/a

Medium 4.9 Published 3 Jun 2015 Updated 6 Aug 2024

Local x86 HVM guests can cause host disk consumption and denial of service via invalid operations triggering excessive PCI MSI-X error logging.

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-2015-4105?

CVE-2015-4105 is a medium-severity denial of service vulnerability in Xen Xen, published on 3 Jun 2015. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Xen 3.3.x through 4.5.x enables logging for PCI MSI-X pass-through error messages, which allows local x86 HVM guests to cause a denial of service (host disk consumption) via certain invalid operations.

Weakness: CWE-399

Which versions are affected by CVE-2015-4105?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2015-4105?

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-2015-4105 being exploited?

There is no known exploitation of CVE-2015-4105 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-4105, GHSA-p4g5-x4m6-rpr2, UBUNTU-CVE-2015-4105.