CVE-2016-7092 Privilege escalation in n/a

High 8.2 Published 21 Sep 2016 Updated 6 Aug 2024

Local 32-bit PV guest administrators can escalate privileges to gain host OS control via L3 recursive pagetables in Xen.

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-2016-7092?

CVE-2016-7092 is a high-severity 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

The get_page_from_l3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables.

Weakness: CWE-264

Which versions are affected by CVE-2016-7092?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2016-7092?

Apply the vendor's patch.

Is CVE-2016-7092 being exploited?

There is no known exploitation of CVE-2016-7092 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as ALPINE-CVE-2016-7092, DEBIAN-CVE-2016-7092, GHSA-9wwx-4vrv-gxfw, UBUNTU-CVE-2016-7092.