CVE-2021-39808

In CVE-2021-39808, the issue is in Android’s PreferencesHelper.java within createNotificationChannelGroup, where improper input validation can allow a service to run in the foreground without a user notification. This enables local elevation of privilege on Android 10–12, with no additional execu...

CVE-2021-39808: Missing Authorization

In createNotificationChannelGroup of PreferencesHelper.java, there is a possible way for a service to run in foreground without user notification due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is...