this post was submitted on 05 Oct 2023
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Is Fedora the only mainstream desktop distribution to ship with SELinux?
I'm not aware of another one. Some other distros like Ubuntu and OpenSUSE ship AppArmor instead, which does similar things but isn't considered quite as secure.
I know plenty of other popular distros don't ship any Mandatory Access Control system at all which seems like a very bad security practice to me. Same thing with Firewalls.
Nitpick: it's not that AppArmor isn't as secure, it's just that SELinux is more powerful. The security always is up to the profiles.
If you were to compare the policies for Fedora and e.g. Debian, I would assume Fedora has better ones though lol
For sure. I believe Debian's AppArmor integration is a little bit of an afterthought and there's lots of patches missing as Canonical likes to keep many improvements downstream.