Provide references for CVE-2021-47209.
Where can I find more information about CVE-2021-47209?
References are available at: https://git.kernel.org/stable/c/512e21c150c1c3ee298852660f3a796e267e62ec, https://git.kernel.org/stable/c/b027789e5e50494c2325cc70c8642e7fd6059479.