CVE-2016-6240
UnknownEPSS 0.60%
Last modified
CVE-2016-6240 is a vulnerability of currently unknown severity. Integer truncation error in the amap_alloc function in OpenBSD 5.8 and 5.9 allows local users to execute arbitrary code with kernel privileges via a large size value.. EPSS estimates a 0.60% chance of exploitation in the next 30 days.
Description
Integer truncation error in the amap_alloc function in OpenBSD 5.8 and 5.9 allows local users to execute arbitrary code with kernel privileges via a large size value.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openbsd | 5.8 |
| Openbsd | Openbsd | 5.9 |
References
- http://www.openbsd.org/errata58.htmlRelease Notes
- http://www.openbsd.org/errata59.htmlRelease Notes
- http://www.openwall.com/lists/oss-security/2016/07/14/5Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/07/17/7Exploit, Mailing List, Third Party Advisory
- http://www.openbsd.org/errata58.htmlRelease Notes
- http://www.openbsd.org/errata59.htmlRelease Notes
- http://www.openwall.com/lists/oss-security/2016/07/14/5Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/07/17/7Exploit, Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-6240?
Integer truncation error in the amap_alloc function in OpenBSD 5.8 and 5.9 allows local users to execute arbitrary code with kernel privileges via a large size value.
How severe is CVE-2016-6240?
Severity scoring for CVE-2016-6240 is pending analysis. The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.
How do I fix CVE-2016-6240?
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.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2016-6240?
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