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Guide to the Secure Configuration of Ubuntu 20.04

Rules, Groups, and Values defined within the XCCDF Benchmark

  • kernel.kptr_restrict

    Configure exposition of kernel pointer addresses
    Value
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  • Restrict Exposed Kernel Pointer Addresses Access

    To set the runtime status of the <code>kernel.kptr_restrict</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel.kptr_r...
    Rule Medium Severity
    Show

  • auditadm_exec_content SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
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  • authlogin_nsswitch_use_ldap SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
    Show

  • Enable Randomized Layout of Virtual Address Space

    To set the runtime status of the <code>kernel.randomize_va_space</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel.r...
    Rule Medium Severity
    Show

  • Enable Execute Disable (XD) or No Execute (NX) Support on x86 Systems

    Recent processors in the x86 family support the ability to prevent code execution on a per memory page basis. Generically and on AMD processors, th...
    Group
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  • Enable NX or XD Support in the BIOS

    Reboot the system and enter the BIOS or Setup configuration menu. Navigate the BIOS configuration menu and make sure that the option is enabled. Th...
    Rule Medium Severity
    Show

  • Memory Poisoning

    Memory Poisoning consists of writing a special value to uninitialized or freed memory. Poisoning can be used as a mechanism to prevent leak of info...
    Group
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  • slub_debug - debug options

    Defines the debug options to use in slub_debug kernel command line argument.
    Value
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  • SELinux

    SELinux is a feature of the Linux kernel which can be used to guard against misconfigured or compromised programs. SELinux enforces the idea that p...
    Group
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Node 2

siemur/test-space

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

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