Medium severity · published Mar 7, 2017
CVE-2016-6246
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,…
4.4
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Openbsd · Openbsd
5.8; 5.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-6246
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-6246
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
www.securityfocus.com
http://www.securityfocus.com/bid/91805
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