CIS Red Hat Enterprise Linux 9 Benchmark for Level 2 - Workstation
Rules and Groups employed by this XCCDF Profile
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Add noexec Option to /var/log
The <code>noexec</code> mount option can be used to prevent binaries from being executed out of <code>/var/log</code>. Add the <code>noexec</code> ...Rule Medium Severity -
Add nosuid Option to /var/log
The <code>nosuid</code> mount option can be used to prevent execution of setuid programs in <code>/var/log</code>. The SUID and SGID permissions sh...Rule Medium Severity -
Add nodev Option to /var
The <code>nodev</code> mount option can be used to prevent device files from being created in <code>/var</code>. Legitimate character and block dev...Rule Medium Severity -
Add nosuid Option to /var
The <code>nosuid</code> mount option can be used to prevent execution of setuid programs in <code>/var</code>. The SUID and SGID permissions should...Rule Medium Severity -
Add nodev Option to /var/tmp
The <code>nodev</code> mount option can be used to prevent device files from being created in <code>/var/tmp</code>. Legitimate character and block...Rule Medium Severity -
Add noexec Option to /var/tmp
The <code>noexec</code> mount option can be used to prevent binaries from being executed out of <code>/var/tmp</code>. Add the <code>noexec</code> ...Rule Medium Severity -
Add nosuid Option to /var/tmp
The <code>nosuid</code> mount option can be used to prevent execution of setuid programs in <code>/var/tmp</code>. The SUID and SGID permissions sh...Rule Medium Severity -
Restrict Programs from Dangerous Execution Patterns
The recommendations in this section are designed to ensure that the system's features to protect against potentially dangerous program execution ar...Group -
Disable Core Dumps
A core dump file is the memory image of an executable program when it was terminated by the operating system due to errant behavior. In most cases,...Group -
Disable core dump backtraces
The <code>ProcessSizeMax</code> option in <code>[Coredump]</code> section of <code>/etc/systemd/coredump.conf</code> specifies the maximum size in ...Rule Medium Severity -
Disable storing core dump
The <code>Storage</code> option in <code>[Coredump]</code> sectionof <code>/etc/systemd/coredump.conf</code> can be set to <code>none</code> to dis...Rule Medium Severity -
Enable ExecShield
ExecShield describes kernel features that provide protection against exploitation of memory corruption errors such as buffer overflows. These featu...Group -
Enable Randomized Layout of Virtual Address Space
To set the runtime status of the <code>kernel.randomize_va_space</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel.r...Rule Medium Severity -
SELinux
SELinux is a feature of the Linux kernel which can be used to guard against misconfigured or compromised programs. SELinux enforces the idea that p...Group -
Install libselinux Package
Thelibselinuxpackage can be installed with the following command:$ sudo dnf install libselinux
Rule High Severity -
Uninstall mcstrans Package
The <code>mcstransd</code> daemon provides category label information to client processes requesting information. The label translations are define...Rule Low Severity -
Ensure SELinux Not Disabled in /etc/default/grub
SELinux can be disabled at boot time by an argument in <code>/etc/default/grub</code>. Remove any instances of <code>selinux=0</code> from the kern...Rule Medium Severity -
Ensure No Daemons are Unconfined by SELinux
Daemons for which the SELinux policy does not contain rules will inherit the context of the parent process. Because daemons are launched during sta...Rule Medium Severity -
Ensure SELinux is Not Disabled
The SELinux state should be set to <code>enforcing</code> or <code>permissive</code> at system boot time. In the file <code>/etc/selinux/config</co...Rule High Severity -
Configure SELinux Policy
The SELinux <code>targeted</code> policy is appropriate for general-purpose desktops and servers, as well as systems in many other roles. To config...Rule Medium Severity
Node 2
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