CVE-2016-7094 Memory corruption in n/a
Local guest administrators can cause a denial of service in Xen hypervisors using shadow paging via a buffer overflow in pagetable updates.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-7094?
CVE-2016-7094 is a medium-severity memory corruption vulnerability in Xen Xen, published on 21 Sep 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.
Weakness: CWE-119
Which versions are affected by CVE-2016-7094?
It affects 1 product.
Products include Xen Xen.
How do I fix CVE-2016-7094?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2016-7094 being exploited?
There is no known exploitation of CVE-2016-7094 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as ALPINE-CVE-2016-7094, DEBIAN-CVE-2016-7094, GHSA-r33r-j3c5-f2xq, UBUNTU-CVE-2016-7094.