Medium severity4.4NVD Advisory· Published Mar 7, 2017· Updated May 13, 2026

CVE-2016-6246

Description

OpenBSD 5.8 and 5.9 allows certain local users with kern.usermount privileges to cause a denial of service (kernel panic) by mounting a tmpfs with a VNOVAL in the (1) username, (2) groupname, or (3) device name of the root node.

Affected products

OpenBSD/OpenBSD2 versions
cpe:2.3:o:openbsd:openbsd:5.8:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:openbsd:openbsd:5.8:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:5.9:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.openwall.com/lists/oss-security/2016/07/17/7nvdExploitMailing ListThird Party Advisory
www.openwall.com/lists/oss-security/2016/07/14/5nvdMailing ListThird Party Advisory
www.openbsd.org/errata58.htmlnvdRelease Notes
www.openbsd.org/errata59.htmlnvdRelease Notes
www.securityfocus.com/bid/91805nvd

News mentions

No linked articles in our index yet.

cvss	0.286
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000