Field Assessment
AI analysis pending.
CVE
CVE-2017-17563
Severity
HIGH
CVSS
7.8
EPSS
0.35%
Original Filing — NVD Description
An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging an incorrect mask for reference-count overflow checking in shadow mode.