In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, in the HDMI video driver function hdmi_edid_sysfs_rda_res_info(), userspace can perform an arbitrary write into kernel memory.
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/2017-12-01 | vendor advisory |