Citrix · Xen · CVE-2016-6258
**Name of the Vulnerable Software and Affected Versions**
Xen versions 4.7.x and earlier
**Description**
The issue allows local 32-bit PV guest OS administrators to gain host OS privileges. This is achieved by leveraging fast-paths for updating pagetable entries in the PV pagetable code.
**Recommendations**
For Xen versions 4.7.x and earlier, at the moment, there is no information about a newer version that contains a fix for this vulnerability.