DRAFT - Unclassified Information in Non-federal Information Systems and Organizations (NIST 800-171)
Rules and Groups employed by this XCCDF Profile
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Configure auditing of successful ownership changes (ppc64le)
Ensure that successful attempts to change an ownership of files or directories are audited. The following rules configure audit as described above: <pre>## Successful ownership change -a always,ex...Rule Medium Severity -
Configure auditing of unsuccessful permission changes
Ensure that unsuccessful attempts to change file or directory permissions are audited. The following rules configure audit as described above: <pre>## Unsuccessful permission change -a always,exit...Rule Medium Severity -
Configure auditing of unsuccessful permission changes (AArch64)
Ensure that unsuccessful attempts to change file or directory permissions are audited. The following rules configure audit as described above: <pre>## Unsuccessful permission change -a always,exit...Rule Medium Severity -
Configure auditing of unsuccessful permission changes (ppc64le)
Ensure that unsuccessful attempts to change file or directory permissions are audited. The following rules configure audit as described above: <pre>## Unsuccessful permission change -a always,exit...Rule Medium Severity -
Configure auditing of successful permission changes
Ensure that successful attempts to modify permissions of files or directories are audited. The following rules configure audit as described above: <pre>## Successful permission change -a always,ex...Rule Medium Severity -
Configure auditing of successful permission changes (AArch64)
Ensure that successful attempts to modify permissions of files or directories are audited. The following rules configure audit as described above: <pre>## Successful permission change -a always,ex...Rule Medium Severity -
Configure auditing of successful permission changes (ppc64le)
Ensure that successful attempts to modify permissions of files or directories are audited. The following rules configure audit as described above: <pre>## Successful permission change -a always,ex...Rule Medium Severity -
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 for the selection of different kernels - possibly ...Group -
Disable Recovery Booting
Red Hat Enterprise Linux 9 systems support an "recovery boot" option that can be used to prevent services from being started. The <code>GRUB_DISABLE_RECOVERY</code> configuration option in <code>/e...Rule Medium Severity -
Configure kernel to zero out memory before allocation
To configure the kernel to zero out memory before allocating it, add the <code>init_on_alloc=1</code> argument to the default GRUB 2 command line. To ensure that <code>init_on_alloc=1</code> is add...Rule Medium Severity -
Enable randomization of the page allocator
To enable randomization of the page allocator in the kernel, add the <code>page_alloc.shuffle=1</code> argument to the default GRUB 2 command line. To ensure that <code>page_alloc.shuffle=1</code> ...Rule Medium 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 enabled and following a system reboot, the root she...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. To ensure that <code>vsyscall=none</code> is added...Rule Medium Severity -
UEFI GRUB2 bootloader configuration
UEFI GRUB2 bootloader configurationGroup -
Set the UEFI Boot Loader Password
The grub2 boot loader should have a superuser account and password protection enabled to protect boot-time settings. <br> <br> Since plaintext passwords are a security risk, generat...Rule High Severity -
zIPL bootloader configuration
During the boot process, the bootloader is responsible for starting the execution of the kernel and passing options to it. The default Red Hat Enterprise Linux 9 boot loader for s390x systems is ca...Group -
Enable Auditing to Start Prior to the Audit Daemon in zIPL
To ensure all processes can be audited, even those which start prior to the audit daemon, check that all boot entries in <code>/boot/loader/entries/*.conf</code> have <code>audit=1</code> included ...Rule Medium Severity -
Extend Audit Backlog Limit for the Audit Daemon in zIPL
To improve the kernel capacity to queue all log events, even those which start prior to the audit daemon, check that all boot entries in <code>/boot/loader/entries/*.conf</code> have <code>audit_ba...Rule Medium Severity -
Ensure all zIPL boot entries are BLS compliant
Ensure that zIPL boot entries fully adheres to Boot Loader Specification (BLS) by checking that/etc/zipl.confdoesn't containimage =.Rule Medium Severity -
Ensure zIPL bootmap is up to date
Make sure that <code>/boot/bootmap</code> is up to date.<br> Every time a boot entry or zIPL configuration is changed <code>/boot/bootmap</code> needs to be updated to reflect the changes.<br> Run ...Rule Medium Severity
Node 2
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