CVE-2015-2751: Fedoraproject Fedora

High severity, CVSS 7.1. EPSS: 2.3% chance of exploitation in the next 30 days.

Xen 4.3.x, 4.4.x, and 4.5.x, when using toolstack disaggregation, allows remote domains with partial management control to cause a denial of service (host lock) via unspecified domctl operations.

Affected products

• Fedoraproject Fedora: version 20 only; version 21 only
• Xen Xen: version 4.3.0 only; version 4.3.1 only; version 4.3.2 only; version 4.4.0 only; version 4.4.1 only; version 4.5.0 only

Published 2015-04-01. Last modified 2026-06-17.