Madwifi 0.9.3.2 and earlier allows remote attackers to cause a denial of service (panic) via a beacon frame with a large length value in the extended supported rates (xrates) element, which triggers an assertion error, related to net80211/ieee80211_scan_ap.c and net80211/ieee80211_scan_sta.c.
https://exchange.xforce.ibmcloud.com/vulnerabilities/37182
http://www.vupen.com/english/advisories/2007/3493
http://www.securityfocus.com/bid/26052
http://www.securityfocus.com/archive/1/482168/100/0/threaded
http://www.sec-consult.com/298.html
http://www.mandriva.com/security/advisories?name=MDVSA-2008:007
http://www.gentoo.org/security/en/glsa/glsa-200711-09.xml
http://securityreason.com/securityalert/3225
http://secunia.com/advisories/28431
http://secunia.com/advisories/27541
http://secunia.com/advisories/27197