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Line 66:
Line 66: − As of [[2.0.0]] KASLR is not used.+ + +
KASLR
For userland pages, the kernel has same access as userland (either both are read-only or both are read-write). It does not have SMAP. The previous rule has one exception: pages that are mapped unreadable in usermode are still forced readable from kernelmode.
For userland pages, the kernel has same access as userland (either both are read-only or both are read-write). It does not have SMAP. The previous rule has one exception: pages that are mapped unreadable in usermode are still forced readable from kernelmode.
KASLR is being used since [[5.0.0]], but not before, with
kaslrBase = (rand64ViaSmc() % 0x3FFF0 << 21) + DRAM_VA(_start);
== 1.0.0 ==
== 1.0.0 ==