New Rowhammer technique bypasses existing DDR4 memory defenses

Researchers have developed a new fuzzing-based technique called ‘Blacksmith’ that revives Rowhammer vulnerability attacks against modern DRAM devices that bypasses existing mitigations.

The emergence of this new Blacksmith method demonstrates that today’s DDR4 modules are vulnerable to exploitation, allowing a variety of attacks to be conducted.

Rowhammer is a security exploit that relies on the leaking of electrical charges between adjacent memory cells, enabling a threat actor to flip 1s and 0s and change the content in the memory.

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Source: Bleeping Computer