In the Linux kernel, the following vulnerability has been resolved: leds: led-core: Fix refcount leak in of_led_get() class_find_device_by_of_node() calls class_find_device(), it will take the reference, use the put_device() to drop the reference when not need anymore.
https://git.kernel.org/stable/c/ddf3e82164afd9381b1d52c9f00b3878f7b6d308
https://git.kernel.org/stable/c/da1afe8e6099980fe1e2fd7436dca284af9d3f29
https://git.kernel.org/stable/c/d880981b82223f9bf128dfdd2424abb0c658f345
https://git.kernel.org/stable/c/690efcb5827c3bacbf1de90cd14907b91bf8cb7b
https://git.kernel.org/stable/c/1d6101d9222e1ca8c01b3fa9ebf0dcf7bcd82564