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New BadRAM attack neuters security assurances in AMD Epyc processors

Researchers have discovered a vulnerability in DDR4 memory modules made by Corsair. By tricking the CPU into accessing nonexistent addresses, a script called BadRAM enables an attacker to read and write to protected memory regions. The attacker can then copy the cryptographic hash and boot a backdoored VM. The flaw stems from the fact that some DIMM models allow software-only modifications.

Source: arstechnica.com –

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