Red Hat Enterprise Linux 9 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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RHEL 9 must allow only the information system security manager (ISSM) (or individuals or roles appointed by the ISSM) to select which auditable events are to be audited.
<VulnDiscussion>Without the capability to restrict the roles and individuals that can select which events are audited, unauthorized personnel...Rule Medium Severity -
SRG-OS-000063-GPOS-00032
<GroupDescription></GroupDescription>Group -
RHEL 9 /etc/audit/auditd.conf file must have 0640 or less permissive to prevent unauthorized access.
<VulnDiscussion>Without the capability to restrict the roles and individuals that can select which events are audited, unauthorized personnel...Rule Medium Severity -
RHEL 9 must allocate an audit_backlog_limit of sufficient size to capture 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 -
SRG-OS-000046-GPOS-00022
<GroupDescription></GroupDescription>Group -
RHEL 9 must have mail aliases to notify the information system security officer (ISSO) and system administrator (SA) (at a minimum) in the event of an audit processing failure.
<VulnDiscussion>It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....Rule Medium Severity -
SRG-OS-000342-GPOS-00133
<GroupDescription></GroupDescription>Group -
RHEL 9 audispd-plugins package must be installed.
<VulnDiscussion>"audispd-plugins" provides plugins for the real-time interface to the audit subsystem, "audispd". These plugins can do things...Rule Medium Severity -
SRG-OS-000326-GPOS-00126
<GroupDescription></GroupDescription>Group -
RHEL 9 must audit uses of the "execve" system call.
<VulnDiscussion>Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external enti...Rule Medium Severity -
SRG-OS-000037-GPOS-00015
<GroupDescription></GroupDescription>Group -
RHEL 9 must audit all uses of the chmod, fchmod, and fchmodat system calls.
<VulnDiscussion>Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...Rule Medium Severity -
SRG-OS-000037-GPOS-00015
<GroupDescription></GroupDescription>Group -
RHEL 9 must audit all uses of the chown, fchown, fchownat, and lchown system calls.
<VulnDiscussion>Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...Rule Medium Severity -
SRG-OS-000037-GPOS-00015
<GroupDescription></GroupDescription>Group -
RHEL 9 must audit all uses of the setxattr, fsetxattr, lsetxattr, removexattr, fremovexattr, and lremovexattr system calls.
<VulnDiscussion>Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...Rule Medium Severity -
SRG-OS-000037-GPOS-00015
<GroupDescription></GroupDescription>Group -
RHEL 9 must audit all uses of umount system calls.
<VulnDiscussion>Without generating audit records specific to the security and mission needs of the organization, it would be difficult to est...Rule Medium Severity -
SRG-OS-000037-GPOS-00015
<GroupDescription></GroupDescription>Group -
RHEL 9 must audit all uses of the chacl command.
<VulnDiscussion>Without generating audit records specific to the security and mission needs of the organization, it would be difficult to est...Rule Medium Severity
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