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OpenBSD does have Kernel Address Randomized Link (KARL) since 6.2 [1]. [1]https://www.openbsd.org/62.html https://www.openbsd.org/62.html
by nargek 6y ago
OpenBSD does have Kernel Address Randomized Link (KARL) since 6.2 [1].
[1]https://www.openbsd.org/62.html https://www.openbsd.org/62.html
- gbrown_ 6y agoYes which the linked piece covers but it also says OpenBSD does both KASLR and KARL.
- nargek 6y agoSorry, i bookmarked the link for later. I think you are right then.
- brynet 6y agoYes the author is incorrect in their slides, OpenBSD has userland ASLR, it uses both PIE by default and also created static-PIE, which are self-relocating executables. There's also been a considerable effort to convert OpenBSD's already privsep daemons to the fork+exec model, most having been completed, expanding upon initial work done on sshd over 16 years ago.