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Guide to the Secure Configuration of Red Hat Enterprise Linux 9

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Disable x86 vsyscall emulation

    Disabling it is roughly equivalent to booting with vsyscall=none, except that it will also disable the helpful warning if a program tries to use a ...
    Rule Low Severity
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  • Kernel GCC plugin configuration

    Contains rules that check the configuration of GCC plugins used by the compiler
    Group
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  • Generate some entropy during boot and runtime

    Instrument some kernel code to extract some entropy from both original and artificially created program state. This will help especially embedded s...
    Rule Medium Severity
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  • Randomize layout of sensitive kernel structures

    Randomize at compile-time the layouts of structures that are entirely function pointers (and have not been manually annotated with __no_randomize_l...
    Rule Medium Severity
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  • Poison kernel stack before returning from syscalls

    This option makes the kernel erase the kernel stack before returning from system calls. This has the effect of leaving the stack initialized to the...
    Rule Medium Severity
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siemur/test-space

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