CVE-2022-49615 ASoC: rt711-sdca: fix kernel NULL pointer dereference when IO error
A kernel NULL pointer dereference in the RT711 SDCA audio driver causes a system crash when an IO error occurs during initialization.
- 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-2022-49615?
CVE-2022-49615 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:
ASoC: rt711-sdca: fix kernel NULL pointer dereference when IO error
The initial settings will be written before the codec probe function. But, the rt711->component doesn't be assigned yet. If IO error happened during initial settings operations, it will cause the kernel panic. This patch changed component->dev to slave->dev to fix this issue.
Weakness: CWE-476
Which versions are affected by CVE-2022-49615?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49615?
Apply the vendor's patch.
Is CVE-2022-49615 being exploited?
There is no known exploitation of CVE-2022-49615 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49615, GHSA-x236-j29m-67wp, UBUNTU-CVE-2022-49615.