CVE-2017-10920
10.0 · CRITICALOverview
CVE-2017-10920 is a critical-severity vulnerability affecting xen xen. It was published on July 5, 2017 and has a CVSS 3.0 base score of 10.0 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from xen. Update xen to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| xen | xen | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2017-10920?
CVE-2017-10920 is a critical-severity vulnerability affecting xen xen. It was published on July 5, 2017 and has a CVSS 3.0 base score of 10.0 (CRITICAL).
How severe is CVE-2017-10920?
This vulnerability has a CVSS 3.0 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2017-10920?
Check the references section for vendor advisories and patches from xen. Update xen to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2017-10920?
CyberStrike's AI-powered security agents can automatically detect CVE-2017-10920 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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