Red Hat Enterprise Linux 9 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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RHEL 9 audit package must be installed.
<VulnDiscussion>Without establishing what type of events occurred, the source of events, where events occurred, and the outcome of events, it...Rule Medium Severity -
SRG-OS-000062-GPOS-00031
<GroupDescription></GroupDescription>Group -
RHEL 9 audit service must be enabled.
<VulnDiscussion>Without establishing what type of events occurred, it would be difficult to establish, correlate, and investigate the events ...Rule Medium Severity -
RHEL 9 must take action when allocated audit record storage volume reaches 95 percent of the repository maximum audit record storage capacity.
<VulnDiscussion>If action is not taken when storage volume reaches 95 percent utilization, the auditing system may fail when the storage volu...Rule Medium Severity -
RHEL 9 audit system must take appropriate action when an error writing to the audit storage volume occurs.
<VulnDiscussion>It is critical that when the operating system is at risk of failing to process audit logs as required, it takes action to mit...Rule Medium Severity -
SRG-OS-000047-GPOS-00023
<GroupDescription></GroupDescription>Group -
RHEL 9 audit system must take appropriate action when the audit storage volume is full.
<VulnDiscussion>It is critical that when the operating system is at risk of failing to process audit logs as required, it takes action to mit...Rule Medium Severity -
SRG-OS-000341-GPOS-00132
<GroupDescription></GroupDescription>Group -
RHEL 9 must allocate audit record storage capacity to store at least one week's worth of audit records.
<VulnDiscussion>To ensure RHEL 9 systems have a sufficient storage capacity in which to write the audit logs, RHEL 9 needs to be able to allo...Rule Medium Severity -
SRG-OS-000343-GPOS-00134
<GroupDescription></GroupDescription>Group -
RHEL 9 must take action when allocated audit record storage volume reaches 75 percent of the repository maximum audit record storage capacity.
<VulnDiscussion>If security personnel are not notified immediately when storage volume reaches 75 percent utilization, they are unable to pla...Rule Medium Severity -
SRG-OS-000343-GPOS-00134
<GroupDescription></GroupDescription>Group -
RHEL 9 must notify the system administrator (SA) and information system security officer (ISSO) (at a minimum) when allocated audit record storage volume 75 percent utilization.
<VulnDiscussion>If security personnel are not notified immediately when storage volume reaches 75 percent utilization, they are unable to pla...Rule Medium Severity -
SRG-OS-000343-GPOS-00134
<GroupDescription></GroupDescription>Group -
RHEL 9 must take action when allocated audit record storage volume reaches 95 percent of the audit record storage capacity.
<VulnDiscussion>If action is not taken when storage volume reaches 95 percent utilization, the auditing system may fail when the storage volu...Rule Medium Severity -
SRG-OS-000343-GPOS-00134
<GroupDescription></GroupDescription>Group -
SRG-OS-000047-GPOS-00023
<GroupDescription></GroupDescription>Group -
RHEL 9 audit log directory must be owned by root to prevent unauthorized read access.
<VulnDiscussion>Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
<GroupDescription></GroupDescription>Group -
RHEL 9 audit system must take appropriate action when the audit files have reached maximum size.
<VulnDiscussion>It is critical that when the operating system is at risk of failing to process audit logs as required, it takes action to mit...Rule Medium Severity
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