Provide references for CVE-2021-47447.
Where can I find more information about CVE-2021-47447?
References are available at: https://git.kernel.org/stable/c/d59e44e7821a8f2bb6f2e846b9167397a5f01608, https://git.kernel.org/stable/c/3eda901995371d390ef82d0b6462f4ea8efbcfdf.