CVE-2023-53744 soc: ti: pm33xx: Fix refcount leak in am33xx_pm_probe
A refcount leak in the TI PM33xx power management 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-2023-53744?
CVE-2023-53744 is a denial of service vulnerability in Linux, published on 8 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:
soc: ti: pm33xx: Fix refcount leak in am33xx_pm_probe
wkup_m3_ipc_get() takes refcount, which should be freed by wkup_m3_ipc_put(). Add missing refcount release in the error paths.
Which versions are affected by CVE-2023-53744?
How do I fix CVE-2023-53744?
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-2023-53744 being exploited?
There is no known exploitation of CVE-2023-53744 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2023-53744, DEBIAN-CVE-2023-53744, GHSA-r652-p789-qfhr, UBUNTU-CVE-2023-53744.