CVE-2015-7814 Race condition in n/a

Medium 4.7 Published 30 Oct 2015 Updated 6 Aug 2024

A local attacker with partial management control can crash the Xen host via a race condition during domain destruction, causing denial of service.

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-2015-7814?

CVE-2015-7814 is a medium-severity vulnerability in Xen Xen, published on 30 Oct 2015. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Race condition in the relinquish_memory function in arch/arm/domain.c in Xen 4.6.x and earlier allows local domains with partial management control to cause a denial of service (host crash) via vectors involving the destruction of a domain and using XENMEM_decrease_reservation to reduce the memory of the domain.

Weakness: CWE-362, CWE-119

Which versions are affected by CVE-2015-7814?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2015-7814?

Apply the vendor's patch.

Is CVE-2015-7814 being exploited?

There is no known exploitation of CVE-2015-7814 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-7814, GHSA-99f8-q7r8-wg7x, UBUNTU-CVE-2015-7814.