SB2017030722 - Input validation error in OpenBSD
Published: March 7, 2017 Updated: August 8, 2020
Security Bulletin ID
SB2017030722
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2016-6246)
The vulnerability allows a local privileged user to perform a denial of service (DoS) attack.
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.
Remediation
Install update from vendor's website.