Provide references for CVE-2021-47491.
Where can I find more information about CVE-2021-47491?
References are available at: https://git.kernel.org/stable/c/6d67b2a73b8e3a079c355bab3c1aef7d85a044b8, https://git.kernel.org/stable/c/5fcb6fce74ffa614d964667110cf1a516c48c6d9, https://git.kernel.org/stable/c/a4aeaa06d45e90f9b279f0b09de84bd00006e733.