CVE-2011-2901
5.5 · MEDIUMOverview
CVE-2011-2901 is a medium-severity vulnerability affecting xen xen. It was published on October 1, 2013 and has a CVSS 2.0 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits.
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-2011-2901?
CVE-2011-2901 is a medium-severity vulnerability affecting xen xen. It was published on October 1, 2013 and has a CVSS 2.0 base score of 5.5 (MEDIUM).
How severe is CVE-2011-2901?
This vulnerability has a CVSS 2.0 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2011-2901?
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-2011-2901?
CyberStrike's AI-powered security agents can automatically detect CVE-2011-2901 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.
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