Kerry Wan/ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways Another bad Linux kernel bug has appeared. Fragnesia can give unauthorized users root powers. More open-source security bugs are likely coming. According to Linus's law , "Given enough eyeballs, all bugs are shallow," is fundamental to open source.  Unfortunately, thanks to AI bug-finding tools, such as Claude Mythos and OpenAI Daybreak , behind most of those eyeballs are AI engines, and they're proving to be much faster at finding security problems than human ones.  Also:  Linux is getting a security wake-up call - why it was inevitable and I'm not worried So it is the latest serious Linux kernel vulnerability, Fragnesia , has emerged. It's the third serious local root flaw in the last two weeks.…