CVE-2022-50196 soc: qcom: ocmem: Fix refcount leak in of_get_ocmem

Medium 5.5 Published Updated

A refcount leak in the Qualcomm OCMEM 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-2022-50196?

CVE-2022-50196 is a medium-severity memory corruption 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:

soc: qcom: ocmem: Fix refcount leak in of_get_ocmem

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

Which versions are affected by CVE-2022-50196?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-50196?

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-2022-50196 being exploited?

There is no known exploitation of CVE-2022-50196 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-50196, GHSA-qhg5-7qj6-827m, UBUNTU-CVE-2022-50196.

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