USB Driver Data Missing in Linux Kernel

Publication date: 2026-05-06

Last updated on: 2026-05-08

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: phy: fsl-imx8mq-usb: set platform driver data Add missing platform_set_drvdata() as the data will be used in remove().

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-05-06

Last Modified

2026-05-08

Generated

2026-07-06

AI Q&A

2026-05-06

EPSS Evaluated

2026-07-05

NVD

CVE-2026-43259

EUVD

EUVD-2026-27821

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	From 6.19 (inc) to 6.19.6 (exc)
linux	linux_kernel	From 6.15 (inc) to 6.18.16 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability involves the Linux kernel's phy driver for the fsl-imx8mq-usb platform. The issue was that the platform driver data was not properly set using platform_set_drvdata(), which is necessary because this data is used later in the remove() function. Without setting this data, the remove() function may not operate correctly, potentially leading to improper cleanup or other unintended behavior.

Impact Analysis

If the platform driver data is not set correctly, the remove() function may fail to access necessary data during device removal. This can lead to improper resource cleanup, which might cause system instability, memory leaks, or other unexpected behavior in systems using the affected driver.

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