CWE
476
Advisory Published
Updated

CVE-2024-46672: wifi: brcmfmac: cfg80211: Handle SSID based pmksa deletion

First published: Wed Sep 11 2024(Updated: )

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.

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Affected SoftwareAffected VersionHow to fix
Linux Linux kernel>=6.4<6.6.48
Linux Linux kernel>=6.7<6.10.7
Linux Linux kernel=6.11-rc1
Linux Linux kernel=6.11-rc2
Linux Linux kernel=6.11-rc3

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