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Guide to the Secure Configuration of SUSE Linux Enterprise 15

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Install PAE Kernel on Supported 32-bit x86 Systems

    Systems that are using the 64-bit x86 kernel package do not need to install the kernel-PAE package because the 64-bit x86 kernel already includes t...
    Rule Unknown Severity
  • Memory Poisoning

    Memory Poisoning consists of writing a special value to uninitialized or freed memory. Poisoning can be used as a mechanism to prevent leak of info...
    Group
  • slub_debug - debug options

    Defines the debug options to use in slub_debug kernel command line argument.
    Value
  • 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
  • SELinux policy

    Type of policy in use. Possible values are: <br>targeted - Only targeted network daemons are protected. <br>strict - Full SELinux protection. <br>m...
    Value
  • SELinux state

    enforcing - SELinux security policy is enforced. <br>permissive - SELinux prints warnings instead of enforcing. <br>disabled - SELinux is fully dis...
    Value
  • Install libselinux Package

    The libselinux package can be installed with the following command:
    $ sudo zypper 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
  • Uninstall setroubleshoot-plugins Package

    The SETroubleshoot plugins are used to analyze SELinux AVC data. The service provides information around configuration errors, unauthorized intrusi...
    Rule Low Severity
  • Uninstall setroubleshoot-server Package

    The SETroubleshoot service notifies desktop users of SELinux denials. The service provides information around configuration errors, unauthorized in...
    Rule Low Severity
  • Uninstall setroubleshoot Package

    The SETroubleshoot service notifies desktop users of SELinux denials. The service provides information around configuration errors, unauthorized in...
    Rule Low Severity
  • Ensure SELinux Not Disabled in the kernel arguments

    SELinux can be disabled at boot time by disabling it via a kernel argument. Remove any instances of <code>selinux=0</code> from the kernel argument...
    Rule Medium 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
  • 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><...
    Rule High Severity
  • SELinux - Booleans

    Enable or Disable runtime customization of SELinux system policies without having to reload or recompile the SELinux policy.
    Group
  • cdrecord_read_content SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
  • cluster_can_network_connect SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value

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