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Power kernel hardening features in Linux 6.1

  • 1.  Power kernel hardening features in Linux 6.1

    Posted Wed October 26, 2022 10:37 PM
    Hi all,

    Linux 6.1-rc1 was tagged on October 16th, 2022 and includes a bunch of nice things from my team that I want to highlight. Our goal is to make the Linux kernel running on IBM's Power CPUs more secure, and landed a few goodies upstream in 6.1 to that end.

    Specifically, Linux 6.1 on Power will include a complete system call infrastructure rework with security and performance benefits, support for KFENCE (a low-overhead memory safety error detector), and execute-only memory (XOM) support on the Radix MMU.

    Read all about it on our blog here, and feel free to reply with any questions or feedback.  Cheers!



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    Russell Currey 🇦🇺
    Linux kernel hardening lead
    IBM Power Systems
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