CVE-2017-7228: Xen

High severity, CVSS 8.2. EPSS: 1.6% chance of exploitation in the next 30 days.

An issue (known as XSA-212) was discovered in Xen, with fixes available for 4.8.x, 4.7.x, 4.6.x, 4.5.x, and 4.4.x. The earlier XSA-29 fix introduced an insufficient check on XENMEM_exchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays.

Affected products

• Xen Xen: affected versions not specified

Published 2017-04-04. Last modified 2026-06-17.