#VU117852 NULL pointer dereference in Linux kernel - CVE-2025-40092
Published: October 31, 2025
Vulnerability identifier: #VU117852
Vulnerability risk: 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-2025-40092
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 ncm_bind() function in drivers/usb/gadget/function/f_ncm.c. 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/185193a4714aa9c78437a7a1858fbe5771f0f45c
- https://git.kernel.org/stable/c/1cde4516295a030cb8ab4c93114ca3b6c3c6a1e2
- https://git.kernel.org/stable/c/75a5b8d4ddd4eb6b16cb0b475d14ff4ae64295ef
- https://git.kernel.org/stable/c/d3fe7143928d8dfa2ec7bac9f906b48bc75b98ee
- https://git.kernel.org/stable/c/ed78f4d6079d872432b1ed54f155ef61965d3137
- https://git.kernel.org/stable/c/f37de8dec6a4c379b4b8486003a1de00ff8cff3b