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
<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 must automatically expire temporary accounts within 72 hours.
<VulnDiscussion>Temporary accounts are privileged or nonprivileged accounts that are established during pressing circumstances, such as new s...Rule Medium Severity -
SRG-OS-000104-GPOS-00051
<GroupDescription></GroupDescription>Group -
All RHEL 9 interactive users must have a primary group that exists.
<VulnDiscussion>If a user is assigned the Group Identifier (GID) of a group that does not exist on the system, and a group with the GID is su...Rule Medium Severity -
SRG-OS-000118-GPOS-00060
<GroupDescription></GroupDescription>Group -
RHEL 9 must disable account identifiers (individuals, groups, roles, and devices) after 35 days of inactivity.
<VulnDiscussion>Inactive identifiers pose a risk to systems and applications because attackers may exploit an inactive identifier and potenti...Rule Medium Severity
Node 2
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