CVE-2017-17565: Xen

Medium severity, CVSS 5.6. EPSS: 0.4% chance of exploitation in the next 30 days.

An issue was discovered in Xen through 4.9.x allowing PV guest OS users to cause a denial of service (host OS crash) if shadow mode and log-dirty mode are in place, because of an incorrect assertion related to M2P.

Affected products

• Xen Xen: up to and including 4.9.1

Published 2017-12-12. Last modified 2026-06-17.