CVE-2026-43259 phy: fsl-imx8mq-usb: set platform driver data

Medium 5.5 Published Updated

A missing driver data assignment in the Linux kernel USB PHY driver can cause a null pointer dereference during device removal, leading to a system crash.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2026-43259?

CVE-2026-43259 is a medium-severity vulnerability in Linux kernel, published on 6 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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().

Which versions are affected by CVE-2026-43259?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2026-43259?

Apply the vendor's patch.

Is CVE-2026-43259 being exploited?

There is no known exploitation of CVE-2026-43259 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2026-43259, DEBIAN-CVE-2026-43259, GHSA-wqxw-h6xc-72x8, UBUNTU-CVE-2026-43259.

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