I - Mission Critical Sensitive
Rules and Groups employed by this XCCDF Profile
-
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
RHEL 9 must require a boot loader superuser password.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DOD-ap...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must disable the ability of systemd to spawn an interactive boot process.
<VulnDiscussion>Using interactive or recovery boot, the console user could disable auditing, firewalls, or other services, weakening system s...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
RHEL 9 must require a unique superusers name upon booting into single-user and maintenance modes.
<VulnDiscussion>Having a nondefault grub superuser username makes password-guessing attacks less effective.</VulnDiscussion><FalsePo...Rule High Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 /boot/grub2/grub.cfg file must be group-owned by root.
<VulnDiscussion>The "root" group is a highly privileged group. Furthermore, the group-owner of this file should not have any access privilege...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 /boot/grub2/grub.cfg file must be owned by root.
<VulnDiscussion>The " /boot/grub2/grub.cfg" file stores sensitive system configuration. Protection of this file is critical for system securi...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must disable virtual system calls.
<VulnDiscussion>System calls are special routines in the Linux kernel, which userspace applications ask to do privileged tasks. Invoking a sy...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must clear the page allocator to prevent use-after-free attacks.
<VulnDiscussion>Poisoning writes an arbitrary value to freed pages, so any modification or reference to that page after being freed or before...Rule Medium Severity -
SRG-OS-000433-GPOS-00192
<GroupDescription></GroupDescription>Group -
RHEL 9 must clear SLUB/SLAB objects to prevent use-after-free attacks.
<VulnDiscussion>Some adversaries launch attacks with the intent of executing code in nonexecutable regions of memory or in memory locations t...Rule Medium Severity -
SRG-OS-000433-GPOS-00193
<GroupDescription></GroupDescription>Group -
RHEL 9 must enable mitigations against processor-based vulnerabilities.
<VulnDiscussion>Kernel page-table isolation is a kernel feature that mitigates the Meltdown security vulnerability and hardens the kernel aga...Rule Low Severity -
SRG-OS-000037-GPOS-00015
<GroupDescription></GroupDescription>Group -
RHEL 9 must enable auditing of processes that start prior to the audit daemon.
<VulnDiscussion>Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events r...Rule Low Severity
Node 2
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.