CVE-2022-50113 ASoc: audio-graph-card2: Fix refcount leak bug in __graph_get_type()

Medium 5.5 Published Updated

A refcount leak in the Linux kernel audio 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-2022-50113?

CVE-2022-50113 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:

ASoc: audio-graph-card2: Fix refcount leak bug in __graph_get_type()

We should call of_node_put() for the reference before its replacement as it returned by of_get_parent() which has increased the refcount. Besides, we should also call of_node_put() before return.

Which versions are affected by CVE-2022-50113?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-50113?

Apply the vendor's patch.

Is CVE-2022-50113 being exploited?

There is no known exploitation of CVE-2022-50113 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-50113, GHSA-m6pr-m859-g448, UBUNTU-CVE-2022-50113.

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