CVE-2022-49480 ASoC: imx-hdmi: Fix refcount leak in imx_hdmi_probe
A refcount leak in the imx-hdmi driver can lead to resource exhaustion and denial of service if memory allocation fails during probe.
- 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-2022-49480?
CVE-2022-49480 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: imx-hdmi: Fix refcount leak in imx_hdmi_probe
of_find_device_by_node() takes reference, we should use put_device() to release it. when devm_kzalloc() fails, it doesn't have a put_device(), it will cause refcount leak. Add missing put_device() to fix this.
Which versions are affected by CVE-2022-49480?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49480?
Apply the vendor's patch.
Is CVE-2022-49480 being exploited?
There is no known exploitation of CVE-2022-49480 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49480, GHSA-h347-fx62-m8r9, UBUNTU-CVE-2022-49480.