CVE-2016-6246

low-risk
Published 2017-03-07

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.

Do I need to act?

-
0.05% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.4/10 Medium
LOCAL / LOW complexity

Affected Products (2)

Affected Vendors

Openbsd

References (10)

Release Notes http://www.openbsd.org/errata58.html
Release Notes http://www.openbsd.org/errata59.html
Mailing List http://www.openwall.com/lists/oss-security/2016/07/14/5
Exploit http://www.openwall.com/lists/oss-security/2016/07/17/7
http://www.securityfocus.com/bid/91805
Release Notes http://www.openbsd.org/errata58.html
Release Notes http://www.openbsd.org/errata59.html
Mailing List http://www.openwall.com/lists/oss-security/2016/07/14/5
Exploit http://www.openwall.com/lists/oss-security/2016/07/17/7
http://www.securityfocus.com/bid/91805
22
/ 100
low-risk
Severity 15/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 7/34 · Low