SB20251230116 - Memory leak in Linux kernel nfc driver
Published: December 30, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251230116
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) Memory leak (CVE-ID: CVE-2022-50854)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the virtual_nci_send() function in drivers/nfc/virtual_ncidev.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/2c46a9a5f0b1c7341aa67667801079f3ff571678
- https://git.kernel.org/stable/c/88e879c9f59511174ef0ab1a3c9c83e2dbf8a213
- https://git.kernel.org/stable/c/e840d8f4a1b323973052a1af5ad4edafcde8ae3d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.77
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1