Provide references for CVE-2018-20823.
Where can I find more information about CVE-2018-20823?
References are available at: https://medium.com/%40juliodellaflora/ultrassom-pode-causar-anomalias-no-girosc%C3%B3pio-do-xiaomi-mi5s-plus-4050d718bc7f, https://hackaday.com/2018/07/17/freak-out-your-smartphone-with-ultrasound/.