Guide to the Secure Configuration of Red Hat Enterprise Linux 9
Rules, Groups, and Values defined within the XCCDF Benchmark
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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 -
Set the Boot Loader Admin Username to a Non-Default Value
The grub2 boot loader should have a superuser account and password protection enabled to protect boot-time settings. <br><br> To maximize the prote...Rule High Severity -
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 -
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 -
Disable vsyscalls
To disable use of virtual syscalls, add the argument <code>vsyscall=none</code> to the default GRUB 2 command line for the Linux operating system. ...Rule Medium Severity
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Modules