NULL pointer dereference in Linux kernel - CVE-2025-40321
Published: December 8, 2025
Vulnerability identifier: #VU119332
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-40321
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/3776c685ebe5f43e9060af06872661de55e80b9a
- https://git.kernel.org/stable/c/55f60a72a178909ece4e32987e4c642ba57e1cf4
- https://git.kernel.org/stable/c/64e3175d1c8a3bea02032e7c9d1befd5f43786fa
- https://git.kernel.org/stable/c/a6eed58249e7d60f856900e682992300f770f64b
- https://git.kernel.org/stable/c/c2b0f8d3e7358c33d90f0e62765d474f25f26a45
- https://git.kernel.org/stable/c/c863b9c7b4e9af0b7931cb791ec91971a50f1a25
- https://git.kernel.org/stable/c/dbc7357b6aae686d9404e1dd7e2e6cf92c3a1b5a
- https://git.kernel.org/stable/c/e1fc9afcce9139791260f962541282d47fbb508d