CVE-2022-49241 ASoC: atmel: Fix error handling in sam9x5_wm8731_driver_probe

Medium 5.5 Published Updated

A refcount leak in the Atmel ASoC driver error path 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-2022-49241?

CVE-2022-49241 is a medium-severity vulnerability in Linux kernel, published on 26 Feb 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:

ASoC: atmel: Fix error handling in sam9x5_wm8731_driver_probe

The device_node pointer is returned by of_parse_phandle() with refcount incremented. We should use of_node_put() on it when done.

This function only calls of_node_put() in the regular path. And it will cause refcount leak in error path.

Which versions are affected by CVE-2022-49241?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-49241?

Apply the vendor's patch.

Is CVE-2022-49241 being exploited?

There is no known exploitation of CVE-2022-49241 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-49241, GHSA-xmrj-2g7q-5pcq, UBUNTU-CVE-2022-49241.

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