Provide references for CVE-2021-47556.
Where can I find more information about CVE-2021-47556?
References are available at: https://git.kernel.org/stable/c/abfdd9e2f0f9699015d72317f74154d3e53664e6, https://git.kernel.org/stable/c/0276af2176c78771da7f311621a25d7608045827.