CVE-2026-31723

kernel: usb: gadget: f_subset: Fix net_device lifecycle with device_move

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · May 1, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's usb: gadget: f_subset component. This vulnerability arises from an issue in how network device resources are managed during the unbinding of a USB gadget function. When the parent device is destroyed, the associated network device may persist, creating non-functional links in the system's file structure. This improper resource handling can lead to system instability or unexpected behavior.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-763 · Release of Invalid Pointer or Reference