CVE-2009-1758: Xen

Medium severity, CVSS 5.0. EPSS: 2.2% chance of exploitation in the next 30 days.

The hypervisor_callback function in Xen, possibly before 3.4.0, as applied to the Linux kernel 2.6.30-rc4, 2.6.18, and probably other versions allows guest user applications to cause a denial of service (kernel oops) of the guest OS by triggering a segmentation fault in "certain address ranges."

Affected products

• Xen Xen: up to and including 3.3.1; version 2.0 only; version 3.0.2 only; version 3.0.3 only; version 3.0.4 only; version 3.1.2 only; …

Published 2009-05-22. Last modified 2026-06-16.