CVE-2007-2831: Madwifi

High severity, CVSS 10.0. EPSS: 3.5% chance of exploitation in the next 30 days.

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.

Affected products

• Madwifi Madwifi: up to and including 0.9.3; version 0.9.0 only; version 0.9.1 only; version 0.9.2 only; version 0.9.2.1 only

Published 2007-05-24. Last modified 2026-06-16.