CVE-2016-4962 Privilege escalation in n/a
Local guest administrators can escalate privileges to the host OS or cause denial of service by manipulating xenstore data in Xen hypervisor.
- 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-2016-4962?
CVE-2016-4962 is a medium-severity vulnerability in Xen Xen, published on 7 Jun 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The libxl device-handling in Xen 4.6.x and earlier allows local OS guest administrators to cause a denial of service (resource consumption or management facility confusion) or gain host OS privileges by manipulating information in guest controlled areas of xenstore.
Weakness: CWE-264
Which versions are affected by CVE-2016-4962?
It affects 2 products.
Products include Oracle Vm Server, Xen Xen.
How do I fix CVE-2016-4962?
Apply the vendor's patch.
Is CVE-2016-4962 being exploited?
There is no known exploitation of CVE-2016-4962 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as DEBIAN-CVE-2016-4962, GHSA-42rm-gcmp-3557, UBUNTU-CVE-2016-4962.