Vulnerability 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.
CVSS Score
5.5
MEDIUM
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openbsd | 5.8 |
Related Weaknesses (CWE)
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 ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/07/17/7ExploitMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/91805
- http://www.securitytracker.com/id/1036318
- 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 ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/07/17/7ExploitMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/91805
- http://www.securitytracker.com/id/1036318
FAQ
What is CVE-2016-6239?
CVE-2016-6239 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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?
CVE-2016-6239 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-6239?
Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openbsd.