CVE-2022-50457 mtd: core: Fix refcount error in del_mtd_device()

In the Linux kernel, the following vulnerability has been resolved: mtd: core: Fix refcount error in delmtddevice delmtddevice will call ofnodeput to mtdgetofnodemtd, which is mtd-dev.ofnode. However, memset&mtd-dev, 0 is called before ofnodeput. As the result, ofnodeput won't do anything in...

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 Linux kernel that stems from improper handling of device node reference counts in the delmtddevice function, which could lead to a memory lea...