An issue was discovered on Samsung mobile devices with N(7.x), O(8.0) devices (MSM8998 or SDM845 chipsets) software. An attacker can bypass Secure Boot and obtain root access because of a missing Bootloader integrity check. The Samsung ID is SVE-2018-11552 (May 2018).

Out-of-bounds memory access in Qurt kernel function when using the identifier to access Qurt kernel buffer to retrieve thread data. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in APQ8009, APQ8017, APQ8053, APQ8096, APQ8096AU, APQ8098, IPQ8074, MDM9150, MDM9206, MDM9607, MDM9635M, MDM9640, MDM9650, MDM9655, MSM8905, MSM8909, MSM8909W, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8976, MSM8996, MSM8996AU, MSM8998, Nicobar, QCA8081, QCM2150, QCN7605, QCS404, QCS405, QCS605, QM215, SC8180X, SDA660, SDA845, SDM429, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX55, SM8150, SM8250, Snapdragon_High_Med_2016, SXR1130, SXR2130

In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile MDM9640, SDM630, MSM8976, MSM8937, SDM845, MSM8976, and MSM8952, when running module or kernel code with improper access control allowing writing to arbitrary regions of memory, the user may utilize this vector to alter module executable code.

In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile MSM8996, MSM8939, MSM8976, MSM8917, SDM845, and SDM660, access control collision vulnerability when accessing the replay protected memory block.