Provide references for CVE-2021-47440.
Where can I find more information about CVE-2021-47440?
References are available at: https://git.kernel.org/stable/c/66358471fa75a713fd76bc8a4bd74cb14cd50a4f, https://git.kernel.org/stable/c/f043fac1133a6c5ef960a8422c0f6dd711dee462, https://git.kernel.org/stable/c/fddc7f678d7fb93caa0d7bc512f968ff1e2bddbc, https://git.kernel.org/stable/c/5e5494e6fc8a29c927e0478bec4a078a40da8901, https://git.kernel.org/stable/c/4c2eb80fc90b05559ce6ed1b8dfb2348420b5644, https://git.kernel.org/stable/c/e19c10d6e07c59c96e90fe053a72683ad8b0397e, https://git.kernel.org/stable/c/322c0e53496309e634d9db7349678eaad1d25b55, https://git.kernel.org/stable/c/f03dca0c9e2297c84a018e306f8a9cd534ee4287.