VULNERABILITY INTELLIGENCE

CVE-2015-8550

CVSS score8.2 HIGH
EPSS probability1.08%
CISA KEVNot currently listed
Published2016-04-14
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Description

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.

Weakness classification

  • CWE-284: Improper Access Control

Primary references