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GuardION: Practical Mitigation of DMA-basedRowhammer Attacks on ARMV ictor van der Veen1, Martina Lindorfer3, Yanick Fratantonio4, HarikrishnanPadmanabha Pillai2, Giovanni Vigna3, Christopher Kruegel3, Herbert Bos1,and Kaveh Razavi11 Vrije Universiteit University Santa the last two years, the Rowhammer bug transformedfrom a hard-to-exploit DRAM disturbance error into a fully weaponizedattack vector. Researchers demonstrated exploits not only against desk-top computers, but also used single bit flips to compromise the cloudand mobile devices, all without relying on any software hardware-level mitigations cannot be backported, a search for soft-ware defenses is pressing.
GuardION: Practical Mitigation of DMA-based Rowhammer Attacks 3 ditionally, ARMv8’s unprivileged cache ush instruction can easily be disabled
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