CVE-2014-5147 Denial of service in n/a

Medium 4.3 Published 29 Aug 2014 Updated 6 Aug 2024

Local guest users can crash the host system by exploiting improper trap handling in Xen on ARM 64-bit kernels.

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-2014-5147?

CVE-2014-5147 is a medium-severity denial of service vulnerability in Xen Xen, published on 29 Aug 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Xen 4.4.x, when running a 64-bit kernel on an ARM system, does not properly handle traps from the guest domain that use a different address width, which allows local guest users to cause a denial of service (host crash) via a crafted 32-bit process.

Weakness: CWE-264

Which versions are affected by CVE-2014-5147?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2014-5147?

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-2014-5147 being exploited?

There is no known exploitation of CVE-2014-5147 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as DEBIAN-CVE-2014-5147, GHSA-hjw2-33xq-777m, UBUNTU-CVE-2014-5147.