SB2016071809 - Resource exhaustion in OpenBSD OpenBSD



SB2016071809 - Resource exhaustion in OpenBSD OpenBSD

Published: July 18, 2016 Updated: November 22, 2018

Security Bulletin ID SB2016071809
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2016-6239)

The vulnerability allows a local user to cause denial of service conditions on the target system.

The vulnerability exists due to resource error in OpenBSD. A local user can cause excessive resource consumption and a system crash by invoking the __MAP_NOFAULT mmap extension to trigger a flaw in sys_mmap().

Successful exploitation of this vulnerability may result in denial of service.

Remediation

Install update from vendor's website.