CVE-2017-10922: Xen

High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days.

The grant-table feature in Xen through 4.8.x mishandles MMIO region grant references, which allows guest OS users to cause a denial of service (loss of grant trackability), aka XSA-224 bug 3.

Affected products

• Xen Xen: up to and including 4.8.1

Published 2017-07-05. Last modified 2026-06-17.