CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 10.0. It may lead to a denial-of-service condition.
CVE
CVE-2017-10921
Severity
CRITICAL
CVSS
10
EPSS
2.55%
Original NVD Description
The grant-table feature in Xen through 4.8.x does not ensure sufficient type counts for a GNTMAP_device_map and GNTMAP_host_map mapping, which allows guest OS users to cause a denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 2.
Related CVEs
Other vulnerabilities affecting the same vendor(s)