Rich Felker Retweeted Sean Barrett
DMA should always be under host control, sequential addressing. Never bus-mastering.https://twitter.com/nothings/status/994635152797007872 …
Rich Felker added,
Sean Barrett @nothings
Remote Rowhammer exploit demonstrated on 10Gbps net:
"Throwhammer" triggers bit flips by exploiting servers running on RDMA network cards that effectively allow (limited) client addressing of DMA-mapped memory, here RDMA memcached. https://arstechnica.com/information-technology/2018/05/attackers-trigger-rowhammer-bit-flips-by-sending-network-packets-over-a-lan/ … https://twitter.com/c_giuffrida/status/994473760278409216 …
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