CVE-2016-9378 Denial of service in n/a
Local HVM guest users can crash the guest OS by exploiting incorrect software interrupt delivery in Xen on AMD systems lacking NRip support.
- 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-2016-9378?
CVE-2016-9378 is a medium-severity denial of service vulnerability in Xen Xen, published on 22 Feb 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service (guest crash) by leveraging an incorrect choice for software interrupt delivery.
Weakness: CWE-284
Which versions are affected by CVE-2016-9378?
It affects 1 product.
Products include Xen Xen.
How do I fix CVE-2016-9378?
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-2016-9378 being exploited?
There is no known exploitation of CVE-2016-9378 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as ALPINE-CVE-2016-9378, DEBIAN-CVE-2016-9378, GHSA-6gjw-cr66-wqrg, UBUNTU-CVE-2016-9378.