this post was submitted on 07 Apr 2024
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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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Hmm, not really. It's only because it nerd-sniped someone who was trying to do something completely unrelated that this came to light. If that person has been less dedicated or less skilled we'd still probably be in the dark.
The thing is there are a few thousand of those people
Maybe millions of potential eyes, but all of them are looking at other things! Heartbleed existed for two years before being noticed, and OpenSSL must have enormously more scrutiny than small projects like xz.
I am very pro open source and this investigation would've been virtually impossible on Windows or Mac, but the many-eyes argument always struck me as more theoretical/optimistic than realistic.
That's a different scenario. That was an inadvertently introduced bug, not a deliberately installed backdoor. So the bad guys didn't have two years to exploit it because they didn't know about it either.
It's also not new that very old bugs get discovered. Just a few years ago a 24 year old bug was discovered in the Linux kernel.
And are bugs harder to find than carefully hidden backdoors? No-one noticed the code being added and if it hadn't have had a performance penalty then it probably wouldn't have been discovered for a very long time, if ever.
The flip side to open-source is that bad actors could have reviewed the code, discovered Heartbleed and been quietly exploiting it without anyone knowing. Government agencies and criminal groups are known to horde zero-days.