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Guide to the Secure Configuration of Debian 12

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Detect stack corruption on calls to schedule()

    This option checks for a stack overrun on calls to schedule(). If the stack end location is found to be overwritten always panic as the content of ...
    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
  • 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
  • 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

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