Linux Kernel Vulnerability Affecting PWM Driver Functionality

CVE-2025-40188

What is CVE-2025-40188?

A vulnerability in the Linux kernel's PWM driver has been identified that results from an incorrect register access during the suspend and resume processes. The 'enable' register is incorrectly defined, leading to erroneous memory accesses that can cause CPU exceptions and kernel panics. This issue highlights the importance of accurate register management to maintain system stability and reliability.

References