Provide references for CVE-2021-47138.
Where can I find more information about CVE-2021-47138?
References are available at: https://git.kernel.org/stable/c/0bf49b3c8d8b3a43ce09f1b2db70e5484d31fcdf, https://git.kernel.org/stable/c/02f03883fdb10ad7e66717c70ea163a8d27ae6e7, https://git.kernel.org/stable/c/285207a558ab456aa7d8aa877ecc7e91fcc51710, https://git.kernel.org/stable/c/88c380df84fbd03f9b137c2b9d0a44b9f2f553b0.