CVE-2016-6246 Information

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

Reference

http://www.openbsd.org/errata58.html http://www.openbsd.org/errata59.html http://www.openwall.com/lists/oss-security/2016/07/14/5 http://www.openwall.com/lists/oss-security/2016/07/17/7 http://www.securityfocus.com/bid/91805

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

4.4