Linux kernel GPIO Use-After-Free

The vulnerability of the gpiochrdevrelease function in the drivers/gpio/gpiolib-cdev.c file of the Linux kernel’s GPIO driver is related to the reutilization of previously freed memory due to concurrent access to resources. Exploiting this vulnerability could allow an attacker to compromise the...

CVE-2024-36899 gpiolib: cdev: Fix use after free in lineinfo_changed_notify

In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: Fix use after free in lineinfochangednotify The use-after-free issue occurs as follows: when the GPIO chip device file is being closed by invoking gpiochrdevrelease, watchedlines is freed by bitmapfree, but the...

CVE-2024-36899 gpiolib: cdev: Fix use after free in lineinfo_changed_notify

In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: Fix use after free in lineinfochangednotify The use-after-free issue occurs as follows: when the GPIO chip device file is being closed by invoking gpiochrdevrelease, watchedlines is freed by bitmapfree, but the...