system
Provide references for <CVE-2021-31612>.
user
Where can I find more information about <CVE-2021-31612>?
assistant
References are available at: http://www.zh-jieli.com/product/68-cn.html, https://launchstudio.bluetooth.com/ListingDetails/19746, https://dl.packetstormsecurity.net/papers/general/braktooth.pdf.