Rowhammer: »RowHammer is a new type of memory failure that is found only in recent generations of DRAM chips. Just by reading from the same address >100K times, it is possible to corrupt data in nearby addresses. More technically, repeated "activations" to the same DRAM row corrupts data in adjacent DRAM rows.

RowHammer is a security threat since it allows a malicious program to breach memory protection. This is because different DRAM rows are mapped to different software pages. As of mid-2014, the problem is not well publicized.«

Paper: http://users.ece.cmu.edu/~yoonguk/papers/kim-isca14.pdf
Source: https://github.com/CMU-SAFARI/rowhammer
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