Provide references for CVE-2021-47040.
Where can I find more information about CVE-2021-47040?
References are available at: https://git.kernel.org/stable/c/cbbc13b115b8f18e0a714d89f87fbdc499acfe2d, https://git.kernel.org/stable/c/51bf90901952aaac564bbdb36b2b503050c53dd9, https://git.kernel.org/stable/c/84b8c266c4bfe9ed5128e13253c388deb74b1b03, https://git.kernel.org/stable/c/38134ada0ceea3e848fe993263c0ff6207fd46e7.