CVE-2019-0053 - FreeBSD advisory - https://www.freebsd.org/security/advisories/FreeBSD-SA-19:12.telnet.asc …
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So FreeBSD 13-CURRENT (and 12-STABLE) have an incomplete implementation of Address Space Randomization (ASR), which differs from ASLR in that ASR does not use deltas. The bits that are missing are stack (crucially important) and shared page (VDSO, less important) randomization.
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HardenedBSD's primary goal is a clean-room reimplementation of the publicly-documented bits of the grsecurity patchset. As such, we completely implemented our own version of PaX ASLR.
End of conversation
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Use HardenedBSD and enjoy ASLR.
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