SB20260113121 - Improper locking in Linux kernel nfc
Published: January 13, 2026
Security Bulletin ID
SB20260113121
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) Improper locking (CVE-ID: CVE-2025-71079)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the EXPORT_SYMBOL() and nfc_unregister_device() functions in net/nfc/core.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/1ab526d97a57e44d26fadcc0e9adeb9c0c0182f5
- https://git.kernel.org/stable/c/6b93c8ab6f6cda8818983a4ae3fcf84b023037b4
- https://git.kernel.org/stable/c/8fc4632fb508432895430cd02b38086bdd649083
- https://git.kernel.org/stable/c/ee41f4f3ccf8cd6ba3732e867abbec7e6d8d12e5
- https://git.kernel.org/stable/c/f3a8a7c1aa278f2378b2f3a10500c6674dffdfda