Provide references for CVE-2021-31786.
Where can I find more information about CVE-2021-31786?
References are available at: https://www.actions-semi.com/index.php?id=3581&siteId=4, https://launchstudio.bluetooth.com/ListingDetails/76427, https://dl.packetstormsecurity.net/papers/general/braktooth.pdf.