CVE-2022-50392 ASoC: mediatek: mt8183: fix refcount leak in mt8183_mt6358_ts3a227_max98357_dev_probe()

Medium 5.5 Published Updated

A refcount leak in the Linux kernel's MediaTek 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-2022-50392?

CVE-2022-50392 is a medium-severity memory corruption vulnerability in Linux kernel, published on 18 Sep 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: mediatek: mt8183: fix refcount leak in mt8183_mt6358_ts3a227_max98357_dev_probe()

The node returned by of_parse_phandle() with refcount incremented, of_node_put() needs be called when finish using it. So add it in the error path in mt8183_mt6358_ts3a227_max98357_dev_probe().

Which versions are affected by CVE-2022-50392?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-50392?

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-2022-50392 being exploited?

There is no known exploitation of CVE-2022-50392 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-50392, GHSA-4hgc-wr2q-wf2q, ROOT-OS-DEBIAN-11-CVE-2022-50392, UBUNTU-CVE-2022-50392.

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