CVE-2011-2901
UnknownEPSS 0.59%
Last modified
CVE-2011-2901 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.59% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | <= 3.3.0 |
| Xen | Xen | 3.0.2 |
| Xen | Xen | 3.0.3 |
| Xen | Xen | 3.0.4 |
| Xen | Xen | 3.1.3 |
| Xen | Xen | 3.1.4 |
| Xen | Xen | 3.2.0 |
| Xen | Xen | 3.2.1 |
| Xen | Xen | 3.2.2 |
| Xen | Xen | 3.2.3 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2011-2901?
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.
How severe is CVE-2011-2901?
Severity scoring for CVE-2011-2901 is pending analysis. The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.
How do I fix CVE-2011-2901?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2011-2901?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST