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ANSSI-BP-028 (high)

Rules and Groups employed by this XCCDF Profile

  • Do not allow usercopy whitelist violations to fallback to object size

    This is a temporary option that allows missing usercopy whitelists to be discovered via a WARN() to the kernel log, instead of rejecting the copy, ...
    Rule High Severity
  • Disable vsyscall emulation

    The kernel traps and emulates calls into the fixed vsyscall address mapping. This configuration is available from kernel 5.3, but may be available ...
    Rule Medium Severity
  • Disable vsyscall mapping

    This config disables the vsyscall mapping at all. Attempts to use the vsyscalls will be reported to dmesg, so that either old or malicious userspac...
    Rule Medium Severity
  • 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

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