CVE-2014-9065 Denial of service in n/a

Medium 4.4 Published 9 Dec 2014 Updated 6 Aug 2024

Local guest users can crash the Xen hypervisor host by sending excessive read requests, causing a 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-2014-9065?

CVE-2014-9065 is a medium-severity denial of service vulnerability in Opensuse Opensuse, published on 9 Dec 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

common/spinlock.c in Xen 4.4.x and earlier does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service (write denial or NMI watchdog timeout and host crash) via a large number of read requests, a different vulnerability to CVE-2014-9066.

Weakness: CWE-17

Which versions are affected by CVE-2014-9065?

It affects 2 products.

Products include Opensuse Opensuse, Xen Xen.

How do I fix CVE-2014-9065?

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-2014-9065 being exploited?

There is no known exploitation of CVE-2014-9065 in the wild and no public exploit code.

All Opensuse Opensuse vulnerabilities

Sources

Also known as DEBIAN-CVE-2014-9065, GHSA-gq6c-wcjg-9p8q, UBUNTU-CVE-2014-9065.