CVE-2025-21783 gpiolib: Fix crash on error in gpiochip_get_ngpios()

In the Linux kernel, the following vulnerability has been resolved: gpiolib: Fix crash on error in gpiochipgetngpios The gpiochipgetngpios uses chip macros to print messages. However these macros rely on gpiodev to be initialised and set, which is not the case when called via bgpioinit. In such a...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the gpiochipgetngpios function not handling gpiodev correctly, which could result in a null pointer...