Red Hat Enterprise Linux 9 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-OS-000480-GPOS-00227
Group -
SRG-OS-000480-GPOS-00227
Group -
RHEL 9 vendor packaged system security patches and updates must be installed and up to date.
Installing software updates is a fundamental mitigation against the exploitation of publicly known vulnerabilities. If the most recent security patches and updates are not installed, unauthorized u...Rule Medium Severity -
SRG-OS-000023-GPOS-00006
Group -
SRG-OS-000480-GPOS-00227
Group -
The graphical display manager must not be the default target on RHEL 9 unless approved.
Unnecessary service packages must not be installed to decrease the attack surface of the system. Graphical display managers have a long history of security vulnerabilities and must not be used, unl...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
Group -
RHEL 9 must enable the hardware random number generator entropy gatherer service.
The most important characteristic of a random number generator is its randomness, namely its ability to deliver random numbers that are impossible to predict. Entropy in computer security is associ...Rule Low Severity -
SRG-OS-000269-GPOS-00103
Group -
RHEL 9 systemd-journald service must be enabled.
In the event of a system failure, RHEL 9 must preserve any information necessary to determine cause of failure and any information necessary to return to operations with least disruption to system ...Rule Medium Severity
Node 2
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