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sehugg
on Jan 9, 2018
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Meltdown Proof-of-Concept
FWIW, that PoC (reading user memory only) still works on 10.13.2 even after the patch is applied.
K0nserv
on Jan 9, 2018
[–]
The KAISER[0] fix which is what has been patched by OSes for Meltdown only resolves full physical memory and kernel memory access. You can still use Meltdown techniques to read arbitrary memory in your process, but this seems expected.
0:
https://en.wikipedia.org/wiki/Kernel_page-table_isolation
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