CVE-2022-50810 rapidio: devices: fix missing put_device in mport_cdev_open

In the Linux kernel, the following vulnerability has been resolved: rapidio: devices: fix missing putdevice in mportcdevopen When kfifoalloc fails, the refcount of chdev-dev is left incremental. We should use putdevice&chdev-dev to decrease the ref count of chdev-dev to avoid refcount leak...

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 a missing putdevice call in the mportcdevopen function, which could lead to a reference count leak...

PT-2023-33886 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.16 Description: The issue is related to a missing put device in mport cdev open, which may potentially lead to security vulnerabilities. The actual impact and attack plausibility have not yet been proven...