CVE-2007-5907: Xensource Inc Xen

Medium severity, CVSS 4.7. EPSS: 0.4% chance of exploitation in the next 30 days.

Xen 3.1.1 does not prevent modification of the CR4 TSC from applications, which allows pv guests to cause a denial of service (crash).

Affected products

• Xensource Inc Xen: version 3.1.1 only

Published 2007-11-09. Last modified 2026-06-16.