CVE-2017-14317: Xen

Medium severity, CVSS 5.6. EPSS: 0.3% chance of exploitation in the next 30 days.

A domain cleanup issue was discovered in the C xenstore daemon (aka cxenstored) in Xen through 4.9.x. When shutting down a VM with a stubdomain, a race in cxenstored may cause a double-free. The xenstored daemon may crash, resulting in a DoS of any parts of the system relying on it (including domain creation / destruction, ballooning, device changes, etc.).

Affected products

• Xen Xen: up to and including 4.9.0

Published 2017-09-12. Last modified 2026-06-17.