CVE-2022-49481 regulator: pfuze100: Fix refcount leak in pfuze_parse_regulators_dt

Medium 5.5 Published Updated

A refcount leak in the Linux kernel's pfuze100 regulator 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-2022-49481?

CVE-2022-49481 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:

regulator: pfuze100: Fix refcount leak in pfuze_parse_regulators_dt

of_node_get() returns a node with refcount incremented. Calling of_node_put() to drop the reference when not needed anymore.

Which versions are affected by CVE-2022-49481?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-49481?

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-2022-49481 being exploited?

There is no known exploitation of CVE-2022-49481 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-49481, GHSA-5wh6-378g-4ggp, UBUNTU-CVE-2022-49481.

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