CVE-2015-8550: Novell Suse Linux Enterprise Real Time Extension

High severity, CVSS 8.2. EPSS: 1.1% chance of exploitation in the next 30 days.

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.

Affected products

• Novell Suse Linux Enterprise Real Time Extension: version 12 only
• Xen Xen: affected versions not specified

Published 2016-04-14. Last modified 2026-06-17.