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ANSSI-BP-028 (high)

Rules and Groups employed by this XCCDF Profile

  • 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 poison value, which both reduces the lifetime of ...
    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 reference to another function, under the occasionally ...
    Rule Medium Severity
  • zero-init everything passed by reference

    Zero-initialize any stack variables that may be passed by reference and had not already been explicitly initialized. This configuration is available from kernel 4.14, but may be available if backpo...
    Rule Medium Severity
  • Configure Syslog

    The syslog service has been the default Unix logging mechanism for many years. It has a number of downsides, including inconsistent log format, lack of authentication for received messages, and lac...
    Group
  • Ensure rsyslog-gnutls is installed

    TLS protocol support for rsyslog is installed. The rsyslog-gnutls package can be installed with the following command:
    $ sudo dnf install rsyslog-gnutls
    Rule Medium Severity

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