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Keeping secrets in memfd areas

Keeping secrets in memfd areas

Posted Feb 15, 2020 11:26 UTC (Sat) by mezcalero (subscriber, #45103)
Parent article: Keeping secrets in memfd areas

I hope this also erases the memory when freeing it and marks all mappings of it as not suitable for inclusion in coredumps.

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Keeping secrets in memfd areas

Posted Feb 15, 2020 12:01 UTC (Sat) by edeloget (subscriber, #88392) [Link]

I would expect it too but for a PoC that might be implied only - there is absolutely 0 chance for this PoC to be merged, so it should noly serve as a basis for discussion.

Anyway, I like the idea - although I'm wondering if hiding memory from the kernel would not allow some kind of abuse (like hiding malicious stuff).


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