CVE-2022-49106 staging: vchiq_arm: Avoid NULL ptr deref in vchiq_dump_platform_instances
A NULL pointer dereference in the Linux kernel's vchiq driver can cause a system crash, requiring a kernel patch to prevent 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-2022-49106?
CVE-2022-49106 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_arm: Avoid NULL ptr deref in vchiq_dump_platform_instances
vchiq_get_state() can return a NULL pointer. So handle this cases and avoid a NULL pointer derefence in vchiq_dump_platform_instances.
Weakness: CWE-476
Which versions are affected by CVE-2022-49106?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49106?
Apply the vendor's patch.
Is CVE-2022-49106 being exploited?
There is no known exploitation of CVE-2022-49106 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49106, GHSA-46f9-wwmp-vcm5, ROOT-OS-DEBIAN-11-CVE-2022-49106, UBUNTU-CVE-2022-49106.