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ANSSI-BP-028 (high)

Rules and Groups employed by this XCCDF Profile

  • Disable vsyscall emulate execution only

    The kernel traps and emulates calls into the fixed vsyscall address mapping and does not allow reads. This configuration is available from kernel 5...
    Rule Medium Severity
  • Disable the LDT (local descriptor table)

    Linux can allow user programs to install a per-process x86 Local Descriptor Table (LDT) using the modify_ldt(2) system call. This is required to ru...
    Rule Medium Severity
  • Enable module signature verification

    Check modules for valid signatures upon load. Note that this option adds the OpenSSL development packages as a kernel build dependency so that the ...
    Rule Medium Severity
  • Enable automatic signing of all modules

    Sign all modules during make modules_install. Without this option, modules must be signed manually, using the scripts/sign-file tool. The configur...
    Rule Medium Severity
  • Require modules to be validly signed

    Reject unsigned modules or signed modules with an unknown key. The configuration that was used to build kernel is available at <code>/boot/config-...
    Rule Medium Severity

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