On November 1 (US time), Google released the Android vulnerabilities in November 2021 on Android Security Bulletin - November 2021 | Android Open Source Project.It is important to note that the vulnerabilities of multiple zero -day vulnerabilities and severity are categorized as urgent (critical).
Among the vulnerabilities published this time, the vulnerabilities in system components have been pointed out.If this vulnerability is misused, there is a danger that any code will be performed in a privileged process context using a specially crafted transmission.
In addition, there are urgent vulnerabilities and many vulnerabilities classified as important (high) are opened.If you use smartphones, tablet devices, home appliances, etc. using Android, it is desirable to apply an update quickly according to the information provided by vendors and manufacturers.