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ANSSI-BP-028 (high)

Rules and Groups employed by this XCCDF Profile

  • Enable support for BUG()

    Disabling this option eliminates support for BUG and WARN, reducing the size of your kernel image and potentially quietly ignoring numerous fatal c...
    Rule Medium Severity
  • Trigger a kernel BUG when data corruption is detected

    This option makes the kernel BUG when it encounters data corruption in kernel memory structures when they get checked for validity. This configurat...
    Rule Low Severity
  • Disable compatibility with brk()

    Enabling compatiliby with <code>brk()</code> allows legacy binaries to run (i.e. those linked against libc5). But this compatibility comes at the c...
    Rule Medium Severity
  • Disable the 32-bit vDSO

    Certain buggy versions of glibc (2.3.3) will crash if they are presented with a 32-bit vDSO that is not mapped at the address indicated in its segm...
    Rule Low Severity
  • Enable checks on credential management

    Enable this to turn on some debug checking for credential management. The additional code keeps track of the number of pointers from task_structs t...
    Rule Low Severity
  • Disable kernel debugfs

    <code>debugfs</code> is a virtual file system that kernel developers use to put debugging files into. Enable this option to be able to read and wri...
    Rule Low Severity
  • Enable checks on linked list manipulation

    Enable this to turn on extended checks in the linked-list walking routines. The configuration that was used to build kernel is available at <code>...
    Rule Low Severity
  • Enable checks on notifier call chains

    Enable this to turn on sanity checking for notifier call chains. This is most useful for kernel developers to make sure that modules properly unreg...
    Rule Low Severity
  • Enable checks on scatter-gather (SG) table operations

    Scatter-gather tables are mechanism used for high performance I/O on DMA devices. Enable this to turn on checks on scatter-gather tables. The conf...
    Rule Low Severity
  • Warn on W+X mappings found at boot

    Generate a warning if any W+X mappings are found at boot. This configuration is available from kernel 5.8. The configuration that was used to buil...
    Rule Medium Severity

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