CVE-2024-46672 Information

Description

In the Linux kernel the following vulnerability has been resolved:

wifi: brcmfmac: cfg80211: Handle SSID based pmksa deletion

wpa_supplicant 2.11 sends since 1efdba5fdc2c (\Handle PMKSA flush in the driver for SAE/OWE offload cases) SSID based PMKSA del commands. brcmfmac is not prepared and tries to dereference the NULL bssid and pmkid pointers in cfg80211_pmksa. PMKID_V3 operations support SSID based updates so copy the SSID.

Reference

https://git.kernel.org/stable/c/4291f94f8c6b01505132c22ee27b59ed27c3584f https://git.kernel.org/stable/c/1f566eb912d192c83475a919331aea59619e1197 https://git.kernel.org/stable/c/2ad4e1ada8eebafa2d75a4b75eeeca882de6ada1