CVE-2022-49684 iio: adc: aspeed: Fix refcount leak in aspeed_adc_set_trim_data
A missing reference count decrement in the Aspeed ADC driver can lead to a memory leak, potentially causing resource exhaustion and 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-2022-49684?
CVE-2022-49684 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:
iio: adc: aspeed: Fix refcount leak in aspeed_adc_set_trim_data
of_find_node_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.
Which versions are affected by CVE-2022-49684?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49684?
Apply the vendor's patch.
Is CVE-2022-49684 being exploited?
There is no known exploitation of CVE-2022-49684 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49684, GHSA-xmhq-4h34-38h6, UBUNTU-CVE-2022-49684.