Comment by potwinkle
6 months ago
No. This isn't Spectre/Meltdown for GPUs, it takes advantage of SurfaceFlinger giving apps information on what's drawn behind them.
6 months ago
No. This isn't Spectre/Meltdown for GPUs, it takes advantage of SurfaceFlinger giving apps information on what's drawn behind them.
This attack measures the time needed to draw each pixel which varies due to graphical data compression. It is based on the "GPU.zip" vulnerability which was shown to affect most modern GPUs, including from Apple.