CVE-2022-49459 thermal/drivers/broadcom: Fix potential NULL dereference in sr_thermal_probe

Medium 5.5 Published Updated

A missing NULL check in the Broadcom thermal driver can cause a kernel crash, leading to 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-2022-49459?

CVE-2022-49459 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:

thermal/drivers/broadcom: Fix potential NULL dereference in sr_thermal_probe

platform_get_resource() may return NULL, add proper check to avoid potential NULL dereferencing.

Weakness: CWE-476

Which versions are affected by CVE-2022-49459?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-49459?

Apply the vendor's patch.

Is CVE-2022-49459 being exploited?

There is no known exploitation of CVE-2022-49459 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-49459, GHSA-h2ww-68w4-vxxq, UBUNTU-CVE-2022-49459.

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