In the ADSP RPC driver in Android releases from CAF using the linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-06-05, an arbitrary kernel write can occur.Referenceshttps://source.android.com/security/bulletin/pixel/2018-06-01#qualcomm-componentshttps://source.codeaurora.org/quic/la/kernel/msm-4.4/commit/?id=e569b915a246627d0449016408a9c0d388ee4ab4
