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How much/what hardware does the rowhammer DRAM bug affects?

  From: Georgi Guninski <[email protected]>

On Wed, Sep 16, 2015 at 11:46:26PM -0400, grarpamp wrote:

>http://users.ece.cmu.edu/~omutlu/pub/dram-row-hammer_kim_talk_isca14.pdf
>p. 32 of the PDF:
>.â?? Simple ECC (e.g., SECDED) cannot prevent all errors
>From wikipedia:  Tests show that simple ECC solutions, providing
>single-error correction and double-error detection (SECDED)
>capabilities, are not able to correct or detect all observed
>disturbance errors because some of them include more than two flipped
>bits per memory word.[1]:8[11]:32
>https://en.wikipedia.org/wiki/Row_hammer#cite_ref-isca14-talk_11-0

But all single-bit and triple-bit errors are detectable by parity, and so are all double-bit errors using ECC.    https://en.wikipedia.org/wiki/Dynamic_random-access_memory#Errors%5Fand%5Ferror%5Fcorrection ;

Jim Bell  
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