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 -
Executable search paths within the initialization files of all local interactive RHEL 9 users must only contain paths that resolve to the system default or the users home directory.
<VulnDiscussion>The executable search path (typically the PATH environment variable) contains a list of directories for the shell to search t...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
All RHEL 9 local interactive users must have a home directory assigned in the /etc/passwd file.
<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 -
All RHEL 9 local interactive user home directories defined in the /etc/passwd file must exist.
<VulnDiscussion>If a local interactive user has a home directory defined that does not exist, the user may be given access to the / directory...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
All RHEL 9 local interactive user home directories must be group-owned by the home directory owner's primary group.
<VulnDiscussion>If the Group Identifier (GID) of a local interactive users home directory is not the same as the primary GID of the user, thi...Rule Medium Severity -
SRG-OS-000329-GPOS-00128
<GroupDescription></GroupDescription>Group -
RHEL 9 must automatically lock an account when three unsuccessful logon attempts occur.
<VulnDiscussion>By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...Rule Medium Severity -
SRG-OS-000329-GPOS-00128
<GroupDescription></GroupDescription>Group -
RHEL 9 must automatically lock the root account until the root account is released by an administrator when three unsuccessful logon attempts occur during a 15-minute time period.
<VulnDiscussion>By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, also know...Rule Medium Severity -
SRG-OS-000329-GPOS-00128
<GroupDescription></GroupDescription>Group -
RHEL 9 must automatically lock an account when three unsuccessful logon attempts occur during a 15-minute time period.
<VulnDiscussion>By limiting the number of failed logon attempts the risk of unauthorized system access via user password guessing, otherwise ...Rule Medium Severity -
SRG-OS-000329-GPOS-00128
<GroupDescription></GroupDescription>Group -
RHEL 9 must maintain an account lock until the locked account is released by an administrator.
<VulnDiscussion>By limiting the number of failed logon attempts the risk of unauthorized system access via user password guessing, otherwise ...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must not have unauthorized accounts.
<VulnDiscussion>Accounts providing no operational purpose provide additional opportunities for system compromise. Unnecessary accounts includ...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The root account must be the only account having unrestricted access to RHEL 9 system.
<VulnDiscussion>An account has root authority if it has a user identifier (UID) of "0". Multiple accounts with a UID of "0" afford more oppor...Rule High Severity
Node 2
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