The touchscreen driver synaptics_dsx in Android for MSM, Firefox OS for MSM, and QRD Android before 2017-06-05, the size of a stack-allocated buffer can be set to a value which exceeds the size of the stack.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
Link | Tags |
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https://source.android.com/security/bulletin/pixel/2018-02-01 | vendor advisory |
https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=e83ebd2098009b0d336ffab11e00f739902bd5d9 | third party advisory patch |