CVE-2022-49216 drm/tegra: Fix reference leak in tegra_dsi_ganged_probe

Medium 5.5 Published Updated

A reference leak in the Linux kernel Tegra DSI 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-2022-49216?

CVE-2022-49216 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:

drm/tegra: Fix reference leak in tegra_dsi_ganged_probe

The reference taken by 'of_find_device_by_node()' must be released when not needed anymore. Add put_device() call to fix this.

Which versions are affected by CVE-2022-49216?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-49216?

Apply the vendor's patch.

Is CVE-2022-49216 being exploited?

There is no known exploitation of CVE-2022-49216 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-49216, GHSA-wf42-jg79-hchc, UBUNTU-CVE-2022-49216.

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