CVE-2026-23015 gpio: mpsse: fix reference leak in gpio_mpsse_probe() error paths

Medium 5.5 Published Updated

A reference leak in the Linux kernel's MPSSE GPIO driver error paths can lead to resource exhaustion and denial of service.

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-2026-23015?

CVE-2026-23015 is a medium-severity vulnerability in Linux kernel, published on 31 Jan 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:

gpio: mpsse: fix reference leak in gpio_mpsse_probe() error paths

The reference obtained by calling usb_get_dev() is not released in the gpio_mpsse_probe() error paths. Fix that by using device managed helper functions. Also remove the usb_put_dev() call in the disconnect function since now it will be released automatically.

Which versions are affected by CVE-2026-23015?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2026-23015?

Apply the vendor's patch.

Is CVE-2026-23015 being exploited?

There is no known exploitation of CVE-2026-23015 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2026-23015, DEBIAN-CVE-2026-23015, GHSA-8c2x-26r6-wgh6, UBUNTU-CVE-2026-23015.

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