I - Mission Critical Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000375-GPOS-00160
<GroupDescription></GroupDescription>Group -
RHEL 8 must have the packages required for multifactor authentication installed.
<VulnDiscussion>Using an authentication device, such as a DoD Common Access Card (CAC) or token that is separate from the information system,...Rule Medium Severity -
SRG-OS-000375-GPOS-00160
<GroupDescription></GroupDescription>Group -
RHEL 8 must implement certificate status checking for multifactor authentication.
<VulnDiscussion>Using an authentication device, such as a DoD Common Access Card (CAC) or token that is separate from the information system,...Rule Medium Severity -
SRG-OS-000376-GPOS-00161
<GroupDescription></GroupDescription>Group -
RHEL 8 must accept Personal Identity Verification (PIV) credentials.
<VulnDiscussion>The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. The DoD has mandated the...Rule Medium Severity -
SRG-OS-000433-GPOS-00192
<GroupDescription></GroupDescription>Group -
RHEL 8 must implement non-executable data to protect its memory from unauthorized code execution.
<VulnDiscussion>Some adversaries launch attacks with the intent of executing code in non-executable regions of memory or in memory locations ...Rule Medium Severity -
SRG-OS-000134-GPOS-00068
<GroupDescription></GroupDescription>Group -
RHEL 8 must clear the page allocator to prevent use-after-free attacks.
<VulnDiscussion>Some adversaries launch attacks with the intent of executing code in non-executable regions of memory or in memory locations ...Rule Medium Severity -
SRG-OS-000134-GPOS-00068
<GroupDescription></GroupDescription>Group -
RHEL 8 must disable virtual syscalls.
<VulnDiscussion>Syscalls are special routines in the Linux kernel, which userspace applications ask to do privileged tasks. Invoking a syste...Rule Medium Severity -
SRG-OS-000134-GPOS-00068
<GroupDescription></GroupDescription>Group -
RHEL 8 must clear SLUB/SLAB objects to prevent use-after-free attacks.
<VulnDiscussion>Some adversaries launch attacks with the intent of executing code in non-executable regions of memory or in memory locations ...Rule Medium Severity -
SRG-OS-000433-GPOS-00193
<GroupDescription></GroupDescription>Group -
RHEL 8 must implement address space layout randomization (ASLR) to protect its memory from unauthorized code execution.
<VulnDiscussion>Some adversaries launch attacks with the intent of executing code in non-executable regions of memory or in memory locations ...Rule Medium Severity -
SRG-OS-000437-GPOS-00194
<GroupDescription></GroupDescription>Group -
YUM must remove all software components after updated versions have been installed on RHEL 8.
<VulnDiscussion>Previous versions of software components that are not removed from the information system after updates have been installed m...Rule Low Severity -
SRG-OS-000445-GPOS-00199
<GroupDescription></GroupDescription>Group -
RHEL 8 must enable the SELinux targeted policy.
<VulnDiscussion>Without verification of the security functions, security functions may not operate correctly and the failure may go unnoticed...Rule Medium Severity
Node 2
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