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Guide to the Secure Configuration of Fedora

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Enable different security models

    This allows you to choose different security modules to be configured into your kernel. The configuration that was used to build kernel is availab...
    Rule Medium Severity
  • Enable Yama support

    This enables support for LSM module Yama, which extends DAC support with additional system-wide security settings beyond regular Linux discretionar...
    Rule Medium Severity
  • Harden slab freelist metadata

    This feature protects integrity of the allocator's metadata. This configuration is available from kernel 4.14. The configuration that was used to ...
    Rule Medium Severity
  • Randomize slab freelist

    Randomizes the freelist order used on creating new pages. This configuration is available from kernel 5.9, but may be available if backported by di...
    Rule Medium Severity
  • authlogin_radius SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
  • Disallow merge of slab caches

    For reduced kernel memory fragmentation, slab caches can be merged when they share the same size and other characteristics. This carries a risk of ...
    Rule Medium Severity
  • Enable SLUB debugging support

    SLUB has extensive debug support features and this allows the allocator validation checking to be enabled. The configuration that was used to buil...
    Rule Medium Severity
  • Stack Protector buffer overlow detection

    This feature puts, at the beginning of functions, a canary value on the stack just before the return address, and validates the value just before a...
    Rule Medium Severity
  • Strong Stack Protector

    This features adds canary logic protection to more kinds of vulnerable functions than CONFIG_STACKPROTECTOR, but not to all functions so that perfo...
    Rule Medium Severity
  • Make the kernel text and rodata read-only

    When set, kernel text and rodata memory will be made read-only, and non-text memory will be made non-executable. This configuration is available fr...
    Rule Medium Severity

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