CVE-2023-53750 pinctrl: freescale: Fix a memory out of bounds when num_configs is 1
A local attacker can trigger a memory out-of-bounds read in the Freescale pinctrl driver, potentially causing a system crash.
- 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-2023-53750?
CVE-2023-53750 is a memory corruption 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:
pinctrl: freescale: Fix a memory out of bounds when num_configs is 1
The config passed in by pad wakeup is 1, when num_configs is 1, Configuration [1] should not be fetched, which will be detected by KASAN as a memory out of bounds condition. Modify to get configs[1] when num_configs is 2.
Which versions are affected by CVE-2023-53750?
How do I fix CVE-2023-53750?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-53750 being exploited?
There is no known exploitation of CVE-2023-53750 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2023-53750, DEBIAN-CVE-2023-53750, GHSA-383p-pcrh-7q28, UBUNTU-CVE-2023-53750.