CVE-2001-0062
procfs in FreeBSD and possibly other operating systems allows local users to cause a denial of service by calling mmap on the process’ own mem file, which causes the kernel to hang.
Date published : 2001-05-07
http://www.securityfocus.com/bid/2131
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:77.procfs.v1.1.asc