CVE-2022-49432 powerpc/xics: fix refcount leak in icp_opal_init()

Medium 5.5 Published Updated

A refcount leak in the Linux kernel's powerpc xics 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-2022-49432?

CVE-2022-49432 is a medium-severity 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:

powerpc/xics: fix refcount leak in icp_opal_init()

The of_find_compatible_node() function returns a node pointer with refcount incremented, use of_node_put() on it when done.

Which versions are affected by CVE-2022-49432?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-49432?

Apply the vendor's patch.

Is CVE-2022-49432 being exploited?

There is no known exploitation of CVE-2022-49432 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-49432, GHSA-p93v-4wqp-w2fh, UBUNTU-CVE-2022-49432.

Is CVE-2022-49432 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free