CVE-2022-50834
Unknown Unknown - Not Provided

Resource Leak in Linux Kernel NFC Device Management Fixed

Publication date: 2025-12-30

Last updated on: 2025-12-30

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: nfc: Fix potential resource leaks nfc_get_device() take reference for the device, add missing nfc_put_device() to release it when not need anymore. Also fix the style warnning by use error EOPNOTSUPP instead of ENOTSUPP.

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Meta Information

Published
2025-12-30
Last Modified
2025-12-30
Generated
2026-07-06
AI Q&A
2025-12-30
EPSS Evaluated
2026-07-05
NVD
CVE-2022-50834
EUVD
EUVD-2022-55864

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

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Exploitability

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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability in the Linux kernel's NFC subsystem involves potential resource leaks due to missing calls to release device references. Specifically, the function nfc_get_device() acquires a reference to an NFC device, but the corresponding release function nfc_put_device() was missing, which could lead to resource leaks if the device reference is not properly released.

Impact Analysis

The impact of this vulnerability could be resource leaks in the Linux kernel's NFC subsystem, potentially leading to increased memory usage or system instability over time if device references are not properly released.

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