CVE-2022-49104 staging: vchiq_core: handle NULL result of find_service_by_handle

Medium 5.5 Published Updated

A NULL pointer dereference in the Linux kernel vchiq driver allows attackers to cause a denial of service via invalid handles.

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-2022-49104?

CVE-2022-49104 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:

staging: vchiq_core: handle NULL result of find_service_by_handle

In case of an invalid handle the function find_servive_by_handle returns NULL. So take care of this and avoid a NULL pointer dereference.

Weakness: CWE-476

Which versions are affected by CVE-2022-49104?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-49104?

Apply the vendor's patch.

Is CVE-2022-49104 being exploited?

There is no known exploitation of CVE-2022-49104 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-49104, GHSA-p67q-m837-7r9h, UBUNTU-CVE-2022-49104.

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