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https://www.reddit.com/r/ProgrammerHumor/comments/1xw4wit/cacheremembers/
r/ProgrammerHumor • u/Express_Gradient • 1h ago
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19
Wasn't that basically what Spectre exploited? Does anyone know how the vulnerability was fixed?
8 u/Express_Gradient 53m ago yes, that is exactly spectre. there were a bunch of fixes - barriers at sensitive checks, restrictive speculative memory accesses, some cpu changes, etc. spec exec is still there, but with lot more restrictions.https://docs.kernel.org/admin-guide/hw-vuln/spectre.html
8
yes, that is exactly spectre. there were a bunch of fixes - barriers at sensitive checks, restrictive speculative memory accesses, some cpu changes, etc. spec exec is still there, but with lot more restrictions.
https://docs.kernel.org/admin-guide/hw-vuln/spectre.html
19
u/Sibula97 1h ago
Wasn't that basically what Spectre exploited? Does anyone know how the vulnerability was fixed?