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Guide to the Secure Configuration of Alibaba Cloud Linux 3

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Configure the confidence in TPM for entropy

    The TPM security chip that is available in most modern systems has a hardware RNG. It is also used to feed the entropy pool, but generally not cred...
    Rule Low Severity
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  • Disable merging of slabs with similar size

    The kernel may merge similar slabs together to reduce overhead and increase cache hotness of objects. Disabling merging of slabs keeps the slabs se...
    Rule Medium Severity
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  • Ensure Solid State Drives Do Not Contribute To Random-Number Entropy Pool

    For each solid-state drive on the system, run: 
     # echo 0 > /sys/block/DRIVE/queue/add_random
    Rule Medium Severity
    Show

  • Kernel Configuration

    Contains rules that check the kernel configuration that was used to build it.
    Group
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  • Configure Speculative Store Bypass Mitigation

    Certain CPUs are vulnerable to an exploit against a common wide industry wide performance optimization known as Speculative Store Bypass (SSB). In...
    Rule Medium Severity
    Show

  • Enforce Spectre v2 mitigation

    Spectre V2 is an indirect branch poisoning attack that can lead to data leakage. An exploit for Spectre V2 tricks the indirect branch predictor int...
    Rule High Severity
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  • Ensure debug-shell service is not enabled during boot

    systemd's <code>debug-shell</code> service is intended to diagnose systemd related boot issues with various <code>systemctl</code> commands. Once e...
    Rule Medium Severity
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  • Non-UEFI GRUB2 bootloader configuration

    Non-UEFI GRUB2 bootloader configuration
    Group
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  • Verify /boot/grub2/grub.cfg Group Ownership

    The file <code>/boot/grub2/grub.cfg</code> should be group-owned by the <code>root</code> group to prevent destruction or modification of the file....
    Rule Medium Severity
    Show

  • Verify /boot/grub2/grub.cfg User Ownership

    The file <code>/boot/grub2/grub.cfg</code> should be owned by the <code>root</code> user to prevent destruction or modification of the file. To pr...
    Rule Medium 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.

Capacity
Modules