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Red Hat Enterprise Linux 9 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 Bluetooth must be disabled.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;Inactive identifiers pose a risk to systems and applications because attackers may exploit an inactive identifier and potenti...
    Rule Medium Severity

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