CVE-2023-54075 ASoC: mediatek: common: Fix refcount leak in parse_dai_link_info
A refcount leak in the Linux kernel's MediaTek ASoC driver can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-54075?
CVE-2023-54075 is a denial of service vulnerability in Linux, published on 24 Dec 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: mediatek: common: Fix refcount leak in parse_dai_link_info
Add missing of_node_put()s before the returns to balance of_node_get()s and of_node_put()s, which may get unbalanced in case the for loop 'for_each_available_child_of_node' returns early.
Which versions are affected by CVE-2023-54075?
How do I fix CVE-2023-54075?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-54075 being exploited?
There is no known exploitation of CVE-2023-54075 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2023-54075, GHSA-75pp-f8cr-3qj9, UBUNTU-CVE-2023-54075.