Provide references for CVE-2021-47493.
Where can I find more information about CVE-2021-47493?
References are available at: https://git.kernel.org/stable/c/5043fbd294f5909a080ade0f04b70a4da9e122b7, https://git.kernel.org/stable/c/2e382600e8856ea654677b5134ee66e03ea72bc2, https://git.kernel.org/stable/c/6f1b228529ae49b0f85ab89bcdb6c365df401558.