Security Mitigations: Difference between revisions

Confirmed to be present in 19.0.0
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Support for --X was initially added with [19.0.0+], however it's only used on S2.
Support for --X was initially added with [19.0.0+], however it's only used on S2.


S2 sysmodules have --X .text, starting with [19.0.0].
S2 sysmodules have --X .text, starting with [[19.0.0]].


= CFI (Control-Flow-Integrity) =
= CFI (Control-Flow-Integrity) =
Besides the CFI used by [[Internet_Browser|web-applets]], S2 sysmodules use a version of CFI which validate vtable-ptrs (the address of the ptr, without accessing the data located there). PAC is not used with this. An undefined-instruction exception is triggered on CFI failure.
Besides the CFI used by [[Internet_Browser|web-applets]], S2 sysmodules use a version of CFI which validate vtable-ptrs (the address of the ptr, without accessing the data located there). PAC is not used with this. An undefined-instruction exception is triggered on CFI failure.