Vulnerability Intelligence Report
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.
No Active Exploit Signals
CVSS Base Score
10.0
CRITICAL
EPSS Probability:2.55%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| xen | xen | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
2.549%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2017-07-04T00:00:00 |
| Published | 2017-07-05T01:00:00 |
| Patch Date | 2017-07-04 |
| Last Updated | 2024-08-05T17:50:12 |
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