NeverBackDown
AMD Enthusiast
https://security.googleblog.com/2021/05/introducing-half-double-new-hammering.html?m=1
Google has released information about an advancement(originally appeared on DDR3 in 2014 but Google's Project Zero helped mitigate it in 2015) in the Rowhammer exploit they have called Half Double Rowhammer that essentially affects all platforms and memory as it attacks how DRAM functions and therefore no hardware or software can prevent it. Only firmware logic to detect it but the previous mitigations are no longer effective.
As physics would prove, the smaller and smaller the DRAM cells get thanks to advancement in technology, the more effective this exploit becomes as rows of cells are now closer together and therefore more cells can have their bits flipped.
It's quite interesting and worth researching if you want more information on how the attack works.
Google has released information about an advancement(originally appeared on DDR3 in 2014 but Google's Project Zero helped mitigate it in 2015) in the Rowhammer exploit they have called Half Double Rowhammer that essentially affects all platforms and memory as it attacks how DRAM functions and therefore no hardware or software can prevent it. Only firmware logic to detect it but the previous mitigations are no longer effective.
As physics would prove, the smaller and smaller the DRAM cells get thanks to advancement in technology, the more effective this exploit becomes as rows of cells are now closer together and therefore more cells can have their bits flipped.
It's quite interesting and worth researching if you want more information on how the attack works.
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