CVE-2017-14431: Xen

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Memory leak in Xen 3.3 through 4.8.x allows guest OS users to cause a denial of service (ARM or x86 AMD host OS memory consumption) by continually rebooting, because certain cleanup is skipped if no pass-through device was ever assigned, aka XSA-207.

Affected products

• Xen Xen: version 3.3.0 only; version 3.3.1 only; version 3.3.2 only; version 3.4.0 only; version 3.4.1 only; version 3.4.2 only; …

Published 2017-09-13. Last modified 2026-06-17.