On 14/09/2019 11:46, Gerrit Heitsch wrote: > DDR4 should be less problematic than DDR3 since they included a > feature called 'Target row refresh'. Doesn't seem to result in full > immunity though. Some DDR3 modules support pseudo target row refresh when used with certain chipsets. TRR also isn't part of the DDR4 standard, it's up to manufacturers to decide whether they wish to support it & if it's not standardised then it's hard to know if the implementation is the same and how effective it is. https://arstechnica.com/information-technology/2016/03/once-thought-safe-ddr4-memory-shown-to-be-vulnerable-to-rowhammer/ It's a three year old article, but there are probably plenty of three year old memory modules out there.Received on 2020-05-29 22:49:29
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