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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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Do you think it is safe and secure to disable Mitigation in Fedora for the sake of performance? (lemmy.dbzer0.com)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]

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I've seen a video from CTT demonstrating the <10 performance boosts by simply off the mitigation. The system will be secure for personal use as before.

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[–] [email protected] 12 points 1 year ago

Many years ago when I was still doing my undergrad I had a cyber security prof talk about side channels:

”There's no way to prevent side-channels. As long as two components are sharing the same physical resource there will be side channels. The only problem is that these side channels are leaking way more bits than we expected.”

So the question here is how big does the side channel need to be to leak something sensitive from memory? Turning off mitigations will almost certainly lead to larger side channels. Whether that is worth the risk is up to you.