CVE-2022-50061 pinctrl: nomadik: Fix refcount leak in nmk_pinctrl_dt_subnode_to_map

Medium 5.5 Published Updated

A missing reference count decrement in the Linux kernel pinctrl driver can lead to a memory leak, potentially causing resource exhaustion.

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-2022-50061?

CVE-2022-50061 is a medium-severity vulnerability in Linux kernel, published on 18 Jun 2025. 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:

pinctrl: nomadik: Fix refcount leak in nmk_pinctrl_dt_subnode_to_map

of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak."

Which versions are affected by CVE-2022-50061?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-50061?

Apply the vendor's patch.

Is CVE-2022-50061 being exploited?

There is no known exploitation of CVE-2022-50061 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-50061, GHSA-cmgf-5pg3-6xqr, UBUNTU-CVE-2022-50061.

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