CVE-2022-49477 ASoC: samsung: Fix refcount leak in aries_audio_probe
A refcount leak in the Linux kernel's Samsung ASoC driver can lead to 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-2022-49477?
CVE-2022-49477 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: samsung: Fix refcount leak in aries_audio_probe
of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. If extcon_find_edev_by_node() fails, it doesn't call of_node_put() Calling of_node_put() after extcon_find_edev_by_node() to fix this.
Which versions are affected by CVE-2022-49477?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49477?
Apply the vendor's patch.
Is CVE-2022-49477 being exploited?
There is no known exploitation of CVE-2022-49477 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49477, GHSA-24gm-rc6w-r33q, UBUNTU-CVE-2022-49477.