#VU117855 NULL pointer dereference in Linux kernel - CVE-2025-40094
Published: October 31, 2025
Vulnerability identifier: #VU117855
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-2025-40094
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 acm_bind() function in drivers/usb/gadget/function/f_acm.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/201a66d8e6630762e760e1d78f1d149da1691e7b
- https://git.kernel.org/stable/c/2b1546f7c5fc6c44555a8e7a2b34229d1dcd2175
- https://git.kernel.org/stable/c/47b2116e54b4a854600341487e8b55249e926324
- https://git.kernel.org/stable/c/c4301e4dd6b32faccb744f1c2320e64235b68d3b
- https://git.kernel.org/stable/c/c5d116862dd3ed162d079738a5ebddf9fceea850
- https://git.kernel.org/stable/c/e348d18fb0124b662cfefb3001733b49da428215