In the Linux kernel, the following vulnerability has been resolved: net: ethernet: bgmac: Fix refcount leak in bcma_mdio_mii_register of_get_child_by_name() 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.
https://git.kernel.org/stable/c/b8d91399775c55162073bb2aca061ec42e3d4bc1
https://git.kernel.org/stable/c/b51996e35bbfcc7a27d94dfeed5cc2429b2c0df4
https://git.kernel.org/stable/c/7fb1fe7d9a167205413f1de8db9f7d0f82c78286