In rw_i93_sm_read_ndef of rw_i93.cc, there is a possible out-of-bounds write due to an integer overflow. This could lead to local escalation of privilege in the NFC process with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-122035770.