Provide references for CVE-2021-47020.
Where can I find more information about CVE-2021-47020?
References are available at: https://git.kernel.org/stable/c/342260fe821047c3d515e3d28085d73fbdce3e80, https://git.kernel.org/stable/c/870533403ffa28ff63e173045fc5369365642002, https://git.kernel.org/stable/c/7c468deae306d0cbbd539408c26cfec04c66159a, https://git.kernel.org/stable/c/2f17ac005b320c85d686088cfd4c2e7017912b88, https://git.kernel.org/stable/c/effd2bd62b416f6629e18e3ce077c60de14cfdea, https://git.kernel.org/stable/c/48f17f96a81763c7c8bf5500460a359b9939359f.