SB2025103120 - NULL pointer dereference in Linux kernel gadget function driver
Published: October 31, 2025
Security Bulletin ID
SB2025103120
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2025-40092)
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 website.
References
- 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