Vulnerability CVE-2023-20942
Published: 2023-07-13

Description:
In openMmapStream of AudioFlinger.cpp, there is a possible way to record audio without displaying the microphone privacy indicator due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

 References:
https://android.googlesource.com/platform/frameworks/av/+/bae3b00a5873d1562679a1289fd8490178cfe064
https://source.android.com/security/bulletin/2023-07-01
https://android.googlesource.com/platform/frameworks/av/+/b072419650958c41c87d2baa572dc2fe6da9ea6b
https://android.googlesource.com/platform/frameworks/av/+/770b45c3c1619cf4008b89e7a0f4392bf2224bbc
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