Provide references for CVE-2021-47228.
Where can I find more information about CVE-2021-47228?
References are available at: https://git.kernel.org/stable/c/208bb686e7fa7fff16e8fa78ff0db34aa9acdbd7, https://git.kernel.org/stable/c/b7a05aba39f733ec337c5b952e112dd2dc4fc404, https://git.kernel.org/stable/c/8d651ee9c71bb12fc0c8eb2786b66cbe5aa3e43b.