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Guide to the Secure Configuration of Ubuntu 22.04

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Ensure AppArmor is enabled in the bootloader configuration

    Configure AppArmor to be enabled at boot time and verify that it has not been overwritten by the bootloader boot parameters. Note: This recommenda...
    Rule Medium Severity
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  • GRUB2 bootloader configuration

    During the boot process, the boot loader is responsible for starting the execution of the kernel and passing options to it. The boot loader allows ...
    Group
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  • L1TF vulnerability mitigation

    Defines the L1TF vulneratility mitigations to employ.
    Value
    Show

  • MDS vulnerability mitigation

    Defines the MDS vulneratility mitigation to employ.
    Value
    Show

  • Confidence level on Hardware Random Number Generator

    Defines the level of trust on the hardware random number generators available in the system and the percentage of entropy to credit.
    Value
    Show

  • Spec Store Bypass Mitigation

    This controls how the Speculative Store Bypass (SSB) vulnerability is mitigated.
    Value
    Show

  • Disable Recovery Booting

    Ubuntu 22.04 systems support an "recovery boot" option that can be used to prevent services from being started. The <code>GRUB_DISABLE_RECOVERY</co...
    Rule Medium Severity
    Show

  • IOMMU configuration directive

    On x86 architecture supporting VT-d, the IOMMU manages the access control policy between the hardware devices and some of the system critical u...
    Rule Unknown Severity
    Show

  • net.ipv4.conf.all.accept_source_route

    Trackers could be using source-routed packets to generate traffic that seems to be intra-net, but actually was created outside and has been redirec...
    Value
    Show

  • Configure L1 Terminal Fault mitigations

    L1 Terminal Fault (L1TF) is a hardware vulnerability which allows unprivileged speculative access to data which is available in the Level 1 Data Ca...
    Rule High Severity
    Show

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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