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Guide to the Secure Configuration of Oracle Linux 10

Rules, Groups, and Values defined within the XCCDF Benchmark

  • 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
  • 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
  • Make the module text and rodata read-only

    When set, module 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
  • net.ipv6.conf.default.autoconf

    Enable auto configuration on IPv6 interfaces
    Value
  • net.ipv6.conf.default.max_addresses

    Maximum number of autoconfigured IPv6 addresses
    Value

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