QuadRooter vulnerabilities are hidden in software drivers that control communication between hardware components developed in Qualcomm chipsets for these devices. They’re found in four different modules: the inter-process communication router module, a shared memory feature, and two different graphics modules. The vulnerabilities have been acknowledged by Qualcomm and ranked as high risk by the hardware company, which released patches to all affected OEMs. This is yet another situation that highlights the tangled mess that is the vulnerability management process within the extremely fragmented Android marketplace.”]
Source: https://www.darkreading.com/cloud/newly-announced-chipset-vuln-affects-900-million-android-devices