CVE-2024-46672

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxa96202acaea47fa8377088e0952bb63bd02a3bab < 4291f94f8c6b01505132c22ee27b59ed27c3584faffected
LinuxLinuxa96202acaea47fa8377088e0952bb63bd02a3bab < 1f566eb912d192c83475a919331aea59619e1197affected
LinuxLinuxa96202acaea47fa8377088e0952bb63bd02a3bab < 2ad4e1ada8eebafa2d75a4b75eeeca882de6ada1affected
LinuxLinux6.4affected
LinuxLinux0 < 6.4unaffected
LinuxLinux6.6.48 <= 6.6.*unaffected
LinuxLinux6.10.7 <= 6.10.*unaffected
LinuxLinux6.11 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References