Provide references for CVE-2021-47539.
Where can I find more information about CVE-2021-47539?
References are available at: https://git.kernel.org/stable/c/35b40f724c4ef0f683d94dab3af9ab38261d782b, https://git.kernel.org/stable/c/bc97458620e38961af9505cc060ad4cf5c9e4af7, https://git.kernel.org/stable/c/ca77fba821351190777b236ce749d7c4d353102e.