Vulnerability Details CVE-2017-10920
The grant-table feature in Xen through 4.8.x mishandles a GNTMAP_device_map and GNTMAP_host_map mapping, when followed by only a GNTMAP_host_map unmapping, 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 1.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.011
EPSS Ranking 77.3%
CVSS Severity
CVSS v3 Score 10.0
CVSS v2 Score 10.0
Products affected by CVE-2017-10920
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cpe:2.3:o:xen:xen:4.1.6.1
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