CVE-2022-49477 ASoC: samsung: Fix refcount leak in aries_audio_probe

Medium 5.5 Published Updated

A refcount leak in the Linux kernel's Samsung ASoC driver 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-2022-49477?

CVE-2022-49477 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: samsung: Fix refcount leak in aries_audio_probe

of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. If extcon_find_edev_by_node() fails, it doesn't call of_node_put() Calling of_node_put() after extcon_find_edev_by_node() to fix this.

Which versions are affected by CVE-2022-49477?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-49477?

Apply the vendor's patch.

Is CVE-2022-49477 being exploited?

There is no known exploitation of CVE-2022-49477 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-49477, GHSA-24gm-rc6w-r33q, UBUNTU-CVE-2022-49477.

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