CVE-2022-49712 Information

Description

In the Linux kernel the following vulnerability has been resolved:

usb: gadget: lpc32xx_udc: Fix refcount leak in lpc32xx_udc_probe

of_parse_phandle() returns a node pointer with refcount incremented we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. of_node_put() will check NULL pointer.

Reference

https://git.kernel.org/stable/c/0ef6917c0524da5b88496b9706628ffef108b9bb https://git.kernel.org/stable/c/2a598da14856ead80c726b38ba426c68637d9211 https://git.kernel.org/stable/c/46da1e4a8b6329479433b2a4056941dfdd7f3efd https://git.kernel.org/stable/c/4757c9ade34178b351580133771f510b5ffcf9c8 https://git.kernel.org/stable/c/57901c658f77d9ea2e772f35cb38e47efb54c558 https://git.kernel.org/stable/c/727c82d003e0ec64411fd1257a9a57de4ad7a99a https://git.kernel.org/stable/c/b75bddfcc18170ce8e3fb695a76ec2dec4ce0ea5 https://git.kernel.org/stable/c/d85e4e6284a91aa2d1ab004e9d84b9c09b4aa203