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Guide to the Secure Configuration of Red Hat Enterprise Linux 9

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Protect Random-Number Entropy Pool

    The I/O operations of the Linux kernel block layer due to their inherently unpredictable execution times have been traditionally considered as a re...
    Group
  • Ensure Solid State Drives Do Not Contribute To Random-Number Entropy Pool

    For each solid-state drive on the system, run:
     # echo 0 > /sys/block/DRIVE/queue/add_random
    Rule Medium Severity
  • Kernel Configuration

    Contains rules that check the kernel configuration that was used to build it.
    Group
  • Hash function for kernel module signing

    The hash function to use when signing modules during kernel build process.
    Value
  • Key and certificate for kernel module signing

    The private key and certificate to use when signing modules during kernel build process. On systems where the OpenSSL ENGINE_pkcs11 is functional —...
    Value

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