Improper Initialization in Linux kernel - CVE-2026-43144
Published: May 7, 2026
Vulnerability identifier: #VU130602
CSH Severity: Low
CVSS v4.0: 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-2026-43144
CWE-ID: CWE-665
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper initialization in the brcmfmac sdio device probe and removal handling when cleaning up after a failed probe. A local user can trigger a device probe failure to cause a denial of service.
The issue can occur when device initialization fails, such as in cases of missing firmware.
How to mitigate CVE-2026-43144
Install security update from vendor's repository.