CVE-2016-6239
UnknownEPSS 0.48%
Last modified
CVE-2016-6239 is a vulnerability of currently unknown severity. The mmap extension __MAP_NOFAULT in OpenBSD 5.8 and 5.9 allows attackers to cause a denial of service (kernel panic and crash) via a large size value.. EPSS estimates a 0.48% chance of exploitation in the next 30 days.
Description
The mmap extension __MAP_NOFAULT in OpenBSD 5.8 and 5.9 allows attackers to cause a denial of service (kernel panic and crash) 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-2016-6239?
The mmap extension __MAP_NOFAULT in OpenBSD 5.8 and 5.9 allows attackers to cause a denial of service (kernel panic and crash) via a large size value.
How severe is CVE-2016-6239?
Severity scoring for CVE-2016-6239 is pending analysis. The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.
How do I fix CVE-2016-6239?
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.
Are you affected by CVE-2016-6239?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST