Provide references for CVE-2021-47400.
Where can I find more information about CVE-2021-47400?
References are available at: https://git.kernel.org/stable/c/5a31d4e73ada8022427b69b10fd1f01a6a8d4b3d, https://git.kernel.org/stable/c/f8ba689cb69523144d10606096ef686002dd7285, https://git.kernel.org/stable/c/3dac38bdce7932901b9f0b71c62331852c809e61, https://git.kernel.org/stable/c/5b09e88e1bf7fe86540fab4b5f3eece8abead39e.