The Xiaomi Mi A2 Lite Android device with a build fingerprint of xiaomi/jasmine/jasminesprout:9/PKQ1.180904.001/V10.0.2.0.PDIMIFJ:user/release-keys contains a pre-installed app with a package name of com.qualcomm.qti.callenhancement app (versionCode=28, versionName=9) that allows unauthorized microphone audio recording via a confused deputy attack. This capability can be accessed by any app co-located on the device. This app allows a third-party app to use its open interface to record telephone calls to external storage.

The Xiaomi Mi A2 Lite Android device with a build fingerprint of xiaomi/daisy/daisysprout:9/PKQ1.180917.001/V10.0.3.0.PDLMIXM:user/release-keys contains a pre-installed app with a package name of com.qualcomm.qti.callenhancement app (versionCode=28, versionName=9) that allows unauthorized microphone audio recording via a confused deputy attack. This capability can be accessed by any app co-located on the device. This app allows a third-party app to use its open interface to record telephone calls to external storage.

The Xiaomi Mi A2 Lite Android device with a build fingerprint of xiaomi/daisy/daisysprout:9/PKQ1.180917.001/V10.0.3.0.PDLMIXM:user/release-keys contains a pre-installed app with a package name of com.huaqin.factory app (versionCode=1, versionName=QL1715201812071953) that allows unauthorized wireless settings modification via a confused deputy attack. This capability can be accessed by any app co-located on the device.

The Goodix GT9xx touchscreen driver for custom Linux kernels on Xiaomi daisy-o-oss and daisy-p-oss as used in Mi A2 Lite and RedMi6 pro devices through 2018-08-27 has a NULL pointer dereference in kfree after a kmalloc failure in gtpreadColor in drivers/input/touchscreen/gt917d/gt9xx.c.