Tuesday, March 10, 2020
Poor Rowhammer Fixes On DDR4 DRAM Chips Re-Enable Bit Flipping Attacks
Remember rowhammer vulnerability? A critical issue affecting modern DRAM (dynamic random access memory) chips that could allow attackers to obtain higher kernel privileges on a targeted system by repeatedly accessing memory cells and induce bit flips. To mitigate Rowhammer vulnerability on the latest DDR4 DRAM, many memory chip manufacturers added some defenses under the umbrella term Target 
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