OSPP - Protection Profile for General Purpose Operating Systems
Rules and Groups employed by this XCCDF Profile
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Enable page allocator poisoning
To enable poisoning of free pages, add the argument <code>page_poison=1</code> to the default GRUB 2 command line for the Linux operating system. Configure the default Grub2 kernel command line to ...Rule Medium Severity -
Enable SLUB/SLAB allocator poisoning
To enable poisoning of SLUB/SLAB objects, add the argument <code>slub_debug=<xccdf-1.2:sub idref="xccdf_org.ssgproject.content_value_var_slub_debug_options" use="legacy"></xccdf-1.2:sub> <...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 programs should be limited in what files they can a...Group -
Ensure No Device Files are Unlabeled by SELinux
Device files, which are used for communication with important system resources, should be labeled with proper SELinux types. If any device files carry the SELinux type <code>device_t</code> or <cod...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 startup and descend from the <code>init</code> proces...Rule Medium 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 configure the system to use this policy, add or correct ...Rule Medium Severity -
Ensure SELinux State is Enforcing
The SELinux state should be set to <code><xccdf-1.2:sub idref="xccdf_org.ssgproject.content_value_var_selinux_state" use="legacy"></xccdf-1.2:sub></code> at system boot time. In the file <code>/et...Rule High Severity -
Services
The best protection against vulnerable software is running less software. This section describes how to review the software which Fedora installs on a system and disable software which is not neede...Group -
Base Services
This section addresses the base services that are installed on a Fedora default installation which are not covered in other sections. Some of these services listen on the network and should be trea...Group -
Uninstall Automatic Bug Reporting Tool (abrt)
The Automatic Bug Reporting Tool (<code>abrt</code>) collects and reports crash data when an application crash is detected. Using a variety of plugins, abrt can email crash reports to system admini...Rule Medium Severity
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