An integer handling error within the swapctl() system call of NetBSD 1.x can allow a local user the ability to cause a denial of service attack.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/33549/swapctlNetBSD.txt
Source: https://packetstormsecurity.com/files/33549/swapctlNetBSD.txt.html