CVE-2022-49473 ASoC: ti: j721e-evm: Fix refcount leak in j721e_soc_probe_*

Medium 5.5 Published Updated

A refcount leak in the Linux kernel TI J721E EVM 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-2022-49473?

CVE-2022-49473 is a medium-severity memory corruption 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: ti: j721e-evm: Fix refcount leak in j721e_soc_probe_*

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

Which versions are affected by CVE-2022-49473?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-49473?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-49473 being exploited?

There is no known exploitation of CVE-2022-49473 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-49473, GHSA-hw3r-gvqg-rmwc, UBUNTU-CVE-2022-49473.

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