SecuriTricks - CVE-2024-46672

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.

Product(s) Impacted

Vendor	Product	Versions
Linux	Linux Kernel	*, 6.11

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-476

NULL Pointer Dereference

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
o	linux	linux_kernel	/	/	/	/	/	/	/	/
o	linux	linux_kernel	/	/	/	/	/	/	/	/
o	linux	linux_kernel	6.11	rc1	/	/	/	/	/	/
o	linux	linux_kernel	6.11	rc2	/	/	/	/	/	/
o	linux	linux_kernel	6.11	rc3	/	/	/	/	/	/

References

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

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

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

CVSS Score

5.5 / 10

CVSS Data - 3.1

Attack Vector: LOCAL
Attack Complexity: LOW
Privileges Required: LOW
Scope: UNCHANGED
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: HIGH

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

View Vector String

Timeline

Published: Sept. 11, 2024, 4:15 p.m.
Last Modified: Sept. 13, 2024, 4:29 p.m.

Status : Analyzed

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

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

CVE-2024-46672