Google experts discovered a new variant of Rowhammer attack against RAM memory cards that bypasses all current defenses Google researchers discovered a new variant of Rowhammer attacks, dubbed “Half-Double,” that allows bypassing all current defenses. In 2015, security researchers at Google’s Project Zero team demonstrated how to hijack the Intel-compatible PCs running Linux by exploiting the physical weaknesses in certain varieties of DDR DRAM (double data rate dynamic random-access memory) chips.

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