CVE-2016-9815 Denial of service in n/a

Medium 6.5 Published 27 Feb 2017 Updated 6 Aug 2024

Local ARM guest users can cause a host panic via asynchronous aborts, requiring Xen hypervisor updates.

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-2016-9815?

CVE-2016-9815 is a medium-severity denial of service vulnerability in Xen Xen, published on 27 Feb 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host panic) by sending an asynchronous abort.

Weakness: CWE-284

Which versions are affected by CVE-2016-9815?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2016-9815?

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-2016-9815 being exploited?

There is no known exploitation of CVE-2016-9815 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as ALPINE-CVE-2016-9815, DEBIAN-CVE-2016-9815, GHSA-r44c-27fg-ccmv, UBUNTU-CVE-2016-9815.