CVE-2001-0851
Linux kernel 2.0, 2.2 and 2.4 with syncookies enabled allows remote attackers to bypass firewall rules by brute force guessing the cookie.
Date published : 2002-03-09
http://www.caldera.com/support/security/advisories/CSSA-2001-038.0.txt
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000432