Array index error in the (1) ieee80211_ioctl_getwmmparams and (2) ieee80211_ioctl_setwmmparams functions in net80211/ieee80211_wireless.c in MadWifi before 0.9.3.1 allows local users to cause a denial of service (system crash), possibly obtain kernel memory contents, and possibly execute arbitrary code via a large negative array index value.
https://exchange.xforce.ibmcloud.com/vulnerabilities/34453
http://www.vupen.com/english/advisories/2007/1919
http://www.ubuntu.com/usn/usn-479-1
http://www.securityfocus.com/bid/24114
http://www.securityfocus.com/archive/1/470674/100/100/threaded
http://www.novell.com/linux/security/advisories/2007_14_sr.html
http://www.mandriva.com/security/advisories?name=MDKSA-2007:132
http://security.gentoo.org/glsa/glsa-200706-04.xml
http://secunia.com/advisories/26083
http://secunia.com/advisories/25861
http://secunia.com/advisories/25763
http://secunia.com/advisories/25622
http://secunia.com/advisories/25339