The Linux 2.2.x kernel does not restrict the number of Unix domain sockets as defined by the wmem_max parameter, which allows local users to cause a denial of service by requesting a large number of sockets.
https://exchange.xforce.ibmcloud.com/vulnerabilities/4186
http://www.securityfocus.com/bid/1072
http://marc.info/?l=bugtraq&m=95421263519558&w=2
http://archives.neohapsis.com/archives/bugtraq/2000-03/0254.html