CVE-2023-53787 regulator: da9063: fix null pointer deref with partial DT config
A null pointer dereference in the Linux kernel da9063 regulator driver causes a system crash during boot if device tree configuration is incomplete.
- 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-2023-53787?
CVE-2023-53787 is a vulnerability in Linux, published on 9 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:
regulator: da9063: fix null pointer deref with partial DT config
When some of the da9063 regulators do not have corresponding DT nodes a null pointer dereference occurs on boot because such regulators have no init_data causing the pointers calculated in da9063_check_xvp_constraints() to be invalid.
Do not dereference them in this case.
Which versions are affected by CVE-2023-53787?
How do I fix CVE-2023-53787?
Apply the vendor's patch.
Is CVE-2023-53787 being exploited?
There is no known exploitation of CVE-2023-53787 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2023-53787, DEBIAN-CVE-2023-53787, GHSA-9f5w-rgmf-x5m7, UBUNTU-CVE-2023-53787.