Secunia Security Advisory – NetBSD has acknowledged some vulnerabilities in the azalia(4) and hdaudio(4) drivers, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/85896/sa38284.txt
Source: https://packetstormsecurity.com/files/85896/Secunia-Security-Advisory-38284.html