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Replying to @nelhage @DirtyCOWVuln
MPROTECT in PaX prevents that.

Oct 22, 2016 · 8:24 PM UTC

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Replying to @paxteam @nelhage
Does MPROTECT in PaX prevent ptrace writes to any r/o mappings or only to exec ones? @DirtyCOWVuln doesn't require exec.
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sry, was too terse, it applies to executable and RELRO mappings only. not that if any of that matters here.
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