BaseFortify

Publication date: 2025-10-07

Last updated on: 2026-03-17

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_hid: fix refcount leak on error path When failing to allocate report_desc, opts->refcnt has already been incremented so it needs to be decremented to avoid leaving the options structure permanently locked.

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Meta Information

Published

2025-10-07

Last Modified

2026-03-17

Generated

2026-07-06

AI Q&A

2025-10-07

EPSS Evaluated

2026-07-05

NVD

CVE-2022-50514

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	From 4.20 (inc) to 5.4.229 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Impact Analysis

The impact of this vulnerability is that the options structure can become permanently locked due to the reference count leak, which may lead to resource leaks or instability in the USB gadget HID functionality within the Linux kernel.

Executive Summary

This vulnerability is a reference count leak in the Linux kernel's USB gadget HID function (f_hid). Specifically, when the system fails to allocate the report descriptor, the reference count (refcnt) for the options structure has already been incremented but not decremented, causing the options structure to remain permanently locked.

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