Apparently, "all you need is [...] this: [bytes]" is the hash of an undisclosed exploit proof-of-concept. And the relationship between Spengler and Linux maintainers has been somewhat contentious for the better part of a decade: https://news.ycombinator.com/item?id=13312723
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[ 3.1 ms ] story [ 18.1 ms ] threadhttps://xcancel.com/spendergrsec/status/1979997322646786107
Apparently, "all you need is [...] this: [bytes]" is the hash of an undisclosed exploit proof-of-concept. And the relationship between Spengler and Linux maintainers has been somewhat contentious for the better part of a decade: https://news.ycombinator.com/item?id=13312723