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Guide to the Secure Configuration of Alibaba Cloud Linux 2

Rules, Groups, and Values defined within the XCCDF Benchmark

  • 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
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  • 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
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  • Spec Store Bypass Mitigation

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

  • Disable Recovery Booting

    Alibaba Cloud Linux 2 systems support an "recovery boot" option that can be used to prevent services from being started. The <code>GRUB_DISABLE_REC...
    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
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  • 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

  • Force kernel panic on uncorrected MCEs

    A Machine Check Exception is an error generated by the CPU itdetects an error in itself, memory or I/O devices. These errors may be corrected and g...
    Rule Medium Severity
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  • Ensure SMAP is not disabled during boot

    The SMAP is used to prevent the supervisor mode from unintentionally reading/writing into memory pages in the user space, it is enabled by default ...
    Rule Medium Severity
    Show

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