NULL pointer dereference in Linux kernel - CVE-2026-90345
Published: September 18, 2026
Vulnerability identifier: #VU151133
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2026-90345
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a null pointer dereference in the brcmfmac P2P action frame handling code when processing action-frame operations without a P2P device virtual interface. A local user can send non-P2P public action frames through the primary interface to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-90345
Install security update from vendor's repository.