One Reply to “NX on by default for reads”

  1. >Suggested-by: Theo de Raadt

    Nice to see some cooperation between BSDs. My understanding is that NX helps prevents attackers doing ROP, but indeed it might not work nicely with JIT compilers used by many languages (which is why it’s more difficult to do NX on writeable pages, since that’s what JIT compilers use).

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