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Sead Fadilpašić

New Phoenix RowHammer attack cracks open DDR5 memory defenses in minutes

Memory SK Hynix
Computer memory RAM on motherboard background . Close up. system, main memory, random access memory, onboard, computer detail. Computer components . DDR3. DDR4. DDR5.
  • Phoenix RowHammer variant affects DDR5 desktop systems, bypassing all known mitigations on SK Hynix chips
  • Attackers can gain root access and steal RSA keys within minutes using default system settings
  • Researchers recommend tripling refresh rates, as DRAM devices cannot be patched and remain vulnerable long-term

Standard, production-grade desktop systems were, for the first time ever, found vulnerable to a variant of RowHammer, a hardware-based security vulnerability affecting DDR5 chips.

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