CVE-2025-38573 spi: cs42l43: Property entry should be a null-terminated array
A missing null terminator in a Linux kernel driver array causes memory access faults, leading to system crashes or 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-2025-38573?
CVE-2025-38573 is a high-severity vulnerability in Linux kernel, published on 19 Aug 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:
spi: cs42l43: Property entry should be a null-terminated array
The software node does not specify a count of property entries, so the array must be null-terminated.
When unterminated, this can lead to a fault in the downstream cs35l56 amplifier driver, because the node parse walks off the end of the array into unknown memory.
Which versions are affected by CVE-2025-38573?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-38573?
Apply the vendor's patch.
Is CVE-2025-38573 being exploited?
There is no known exploitation of CVE-2025-38573 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-38573, DEBIAN-CVE-2025-38573, GHSA-r27j-q6q8-cmj7, ROOT-OS-DEBIAN-13-CVE-2025-38573, UBUNTU-CVE-2025-38573.