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this post was submitted on 08 Oct 2025
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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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Thanks for the link. But that's not a vulnerability or malware. It's academic research how to hide malicious syscalls. But it can't infect anyone's computer. And there isn't any vulnerability to let it in.
The RingReaper malware is literally a malware, using known vulnerabilities in the Linux kernel...?!
I'm sorry. Most I can find about "RingReaper" is that single blog post or people who rephrased it into their own articles. There seems to be zero information on how it spreads through the internet? And if anyone contracted RingReaper. And I can't even discern how that'd get on someone's computer unless they install it themselves (which is a form of malware, though not very pronounced on linux due to the distributions and central package repositories). There are no other methods highlighted in the post. And it can't do privilege escalation either, just scan for other vulnerabilities. So is this a thing in reality and how can I find out? It seems like valid research to me, but I can't see how it's more than that.
It is one of several things in reality. Linux malware, spreading through the (mostly) same paths as Windows malware does, has been real for quite some time now.
Linux malware threatens Linux computers. It might be important to keep that in mind if you use Linux.