CVE-2022-49104 staging: vchiq_core: handle NULL result of find_service_by_handle
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.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49104, GHSA-p67q-m837-7r9h, UBUNTU-CVE-2022-49104.