Red Hat Enterprise Linux 9 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-OS-000062-GPOS-00031
<GroupDescription></GroupDescription>Group -
RHEL 9 must enable Linux audit logging for the USBGuard daemon.
<VulnDiscussion>Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events r...Rule Low Severity -
SRG-OS-000378-GPOS-00163
<GroupDescription></GroupDescription>Group -
RHEL 9 must block unauthorized peripherals before establishing a connection.
<VulnDiscussion>The USBguard-daemon is the main component of the USBGuard software framework. It runs as a service in the background and enfo...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
RHEL 9 Bluetooth must be disabled.
<VulnDiscussion>This requirement applies to wireless peripheral technologies (e.g., wireless mice, keyboards, displays, etc.) used with RHEL ...Rule Medium Severity -
SRG-OS-000299-GPOS-00117
<GroupDescription></GroupDescription>Group -
RHEL 9 wireless network adapters must be disabled.
<VulnDiscussion>This requirement applies to wireless peripheral technologies (e.g., wireless mice, keyboards, displays, etc.) used with RHEL ...Rule Medium Severity -
SRG-OS-000076-GPOS-00044
<GroupDescription></GroupDescription>Group -
RHEL 9 user account passwords for new users or password changes must have a 60-day maximum password lifetime restriction in /etc/login.defs.
<VulnDiscussion>Any password, no matter how complex, can eventually be cracked; therefore, passwords need to be changed periodically. If the ...Rule Medium Severity -
SRG-OS-000076-GPOS-00044
<GroupDescription></GroupDescription>Group -
RHEL 9 user account passwords must have a 60-day maximum password lifetime restriction.
<VulnDiscussion>Any password, no matter how complex, can eventually be cracked; therefore, passwords need to be changed periodically. If RHEL...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
All RHEL 9 local interactive user accounts must be assigned a home directory upon creation.
<VulnDiscussion>If local interactive users are not assigned a valid home directory, there is no place for the storage and control of files th...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must set the umask value to 077 for all local interactive user accounts.
<VulnDiscussion>The umask controls the default access mode assigned to newly created files. A umask of 077 limits new files to mode 600 or le...Rule Medium Severity -
SRG-OS-000104-GPOS-00051
<GroupDescription></GroupDescription>Group -
RHEL 9 duplicate User IDs (UIDs) must not exist for interactive users.
<VulnDiscussion>To ensure accountability and prevent unauthenticated access, interactive users must be identified and authenticated to preven...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 system accounts must not have an interactive login shell.
<VulnDiscussion>Ensuring shells are not given to system accounts upon login makes it more difficult for attackers to make use of system accou...Rule Medium Severity
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