CVE-2024-46672

MEDIUM

Linux Kernel 6.4-6.6.47, 6.7-6.10.6 - NULL Pointer Dereference in brcmfmac cfg80211 PMKSA Handling

Title source: llm

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.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/4291f94f8c6b01505132c22ee27b59ed27c3584f

Patch

https://git.kernel.org/stable/c/1f566eb912d192c83475a919331aea59619e1197

Patch

https://git.kernel.org/stable/c/2ad4e1ada8eebafa2d75a4b75eeeca882de6ada1

Scores

CVSS v3 5.5

EPSS 0.0021

EPSS Percentile 11.0%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-476

Status published

Products (12)

linux/Kernel 6.4.0 - 6.6.48linux

linux/Kernel 6.7.0 - 6.10.7linux

Linux/Linux < 6.4

Linux/Linux 6.10.7 - 6.10.*

Linux/Linux 6.11

Linux/Linux 6.4

Linux/Linux 6.6.48 - 6.6.*

Linux/Linux a96202acaea47fa8377088e0952bb63bd02a3bab - 1f566eb912d192c83475a919331aea59619e1197

Linux/Linux a96202acaea47fa8377088e0952bb63bd02a3bab - 2ad4e1ada8eebafa2d75a4b75eeeca882de6ada1

Linux/Linux a96202acaea47fa8377088e0952bb63bd02a3bab - 4291f94f8c6b01505132c22ee27b59ed27c3584f

... and 2 more

Published Sep 11, 2024

Tracked Since Feb 18, 2026