Linux kernel number error vulnerability (CNVD-2023-48544)

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 Linux kernel version 6.2, which stems from a divide-by-zero error in do_div indirectly used by ctrl_cdev_ioctl when mtd erasesize is zero. An attacker could exploit this vulnerability to cause a denial of service.