In an ioctl handler in all Qualcomm products with Android for MSM, Firefox OS for MSM, or QRD Android, several sanity checks are missing which can lead to out-of-bounds accesses.
In an audio driver function in all Qualcomm products with Android for MSM, Firefox OS for MSM, or QRD Android, some parameters are from userspace, and if they are set to a large value, integer overflow is possible followed by buffer overflow. In another function, a missing check for a lower bound may result in an out of bounds memory access.
In a sound driver in Android for MSM, Firefox OS for MSM, QRD Android, some variables are from userspace and values can be chosen that could result in stack overflow.
In the touch controller function in all Qualcomm products with Android for MSM, Firefox OS for MSM, or QRD Android, a variable may be controlled by the user and can lead to a buffer overflow.
In Lenovo Connect2 versions earlier than 4.2.5.4885 for Windows and 4.2.5.3071 for Android, when an ad-hoc connection is made between two systems for the purpose of sharing files, the password for this ad-hoc connection will be stored in a user-readable location. An attacker with read access to the user's contents could connect to the Connect2 hotspot and see the contents of files while they are being transferred between the two systems.