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Guide to the Secure Configuration of Red Hat Enterprise Linux 9

Rules, Groups, and Values defined within the XCCDF Benchmark

  • daemons_use_tcp_wrapper SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
  • Generate some entropy during boot and runtime

    Instrument some kernel code to extract some entropy from both original and artificially created program state. This will help especially embedded s...
    Rule Medium Severity
  • Randomize layout of sensitive kernel structures

    Randomize at compile-time the layouts of structures that are entirely function pointers (and have not been manually annotated with __no_randomize_l...
    Rule Medium Severity
  • Poison kernel stack before returning from syscalls

    This option makes the kernel erase the kernel stack before returning from system calls. This has the effect of leaving the stack initialized to the...
    Rule Medium Severity
  • Force initialization of variables containing userspace addresses

    While the kernel is built with warnings enabled for any missed stack variable initializations, this warning is silenced for anything passed by refe...
    Rule Medium Severity

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