AirPort in Apple Mac OS X 10.6 before 10.6.7 allows remote attackers to cause a denial of service (divide-by-zero error and reboot) via Wi-Fi frames on the local wireless network, a different vulnerability than CVE-2011-0162.
http://support.apple.com/kb/HT4581
http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html