OpenBSD

Wikipedia:OpenBSD (1996, Theo de Raadt)

• wikipedia:OpenBSD security features
• https://github.com/openbsd/src

New version every 6 months targeting May and November.

• https://en.wikipedia.org/wiki/OpenBSD_version_history
  • OpenBSD 7
    • OpenBSD 7.1
    • OpenBSD 7.2 (Oct 2022) announcement
      • Apple M2
    • 7.3 https://www.openbsd.org/73.html
    • 7.4 https://www.openbsd.org/74.html
      • On arm64, use the deep idle state available on Apple M1/M2 cores in the idle loop and for suspend, resulting in power savings.
      • Enable indirect branch tracking (IBT) on amd64 and branch target identification (BTI) on arm64
      • new _shutdown group
    • 7.5 https://www.openbsd.org/75.html

• CVE-2019-19726 set-user-ID executable chpass or passwd

• 6.7 19 May 2020 Made ffs2 the default filesystem type on installs except for landisk, luna88k and sgi

Related

• LibreSSL
• doas
• privilege separation
• tmux
• vmm
• Hardenize

See also

• BSD, FreeBSD, OpenBSD, NetBSD, DragonflyBSD
• OpenBSD, PF, LibreSSL, doas, Ted Unangst, Theo de Raadt