CVE-2017-12135: Citrix Xenserver

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain privileges via vectors involving transitive grants.

Affected products

• Citrix Xenserver: version 6.0.2 only; version 6.2.0 only; version 6.5 only; version 7.0 only; version 7.1 only; version 7.2 only
• Debian Debian Linux: version 8.0 only; version 9.0 only
• Xen Xen: any version

Published 2017-08-24. Last modified 2026-06-17.