{"description": "The <tt>netconsole</tt> service is responsible for loading the\nnetconsole kernel module, which logs kernel printk messages over UDP to a\nsyslog server. This allows debugging of problems where disk logging fails and\nserial consoles are impractical.\n\nThe <code>netconsole</code> service can be disabled with the following command:\n<pre>$ sudo systemctl mask --now netconsole.service</pre>", "rationale": "The <tt>netconsole</tt> service is not necessary unless there is a need to debug\nkernel panics, which is not common.", "severity": "low", "references": {"cis-csc": ["11", "12", "14", "15", "3", "8", "9"], "cobit5": ["APO13.01", "BAI10.01", "BAI10.02", "BAI10.03", "BAI10.05", "DSS01.04", "DSS05.02", "DSS05.03", "DSS05.05", "DSS06.06"], "isa-62443-2009": ["4.3.3.5.1", "4.3.3.5.2", "4.3.3.5.3", "4.3.3.5.4", "4.3.3.5.5", "4.3.3.5.6", "4.3.3.5.7", "4.3.3.5.8", "4.3.3.6.1", "4.3.3.6.2", "4.3.3.6.3", "4.3.3.6.4", "4.3.3.6.5", "4.3.3.6.6", "4.3.3.6.7", "4.3.3.6.8", "4.3.3.6.9", "4.3.3.7.1", "4.3.3.7.2", "4.3.3.7.3", "4.3.3.7.4", "4.3.4.3.2", "4.3.4.3.3"], "isa-62443-2013": ["SR 1.1", "SR 1.10", "SR 1.11", "SR 1.12", "SR 1.13", "SR 1.2", "SR 1.3", "SR 1.4", "SR 1.5", "SR 1.6", "SR 1.7", "SR 1.8", "SR 1.9", "SR 2.1", "SR 2.2", "SR 2.3", "SR 2.4", "SR 2.5", "SR 2.6", "SR 2.7", "SR 3.1", "SR 3.5", "SR 3.8", "SR 4.1", "SR 4.3", "SR 5.1", "SR 5.2", "SR 5.3", "SR 7.1", "SR 7.6"], "iso27001-2013": ["A.11.2.6", "A.12.1.2", "A.12.5.1", "A.12.6.2", "A.13.1.1", "A.13.2.1", "A.14.1.3", "A.14.2.2", "A.14.2.3", "A.14.2.4", "A.6.2.1", "A.6.2.2", "A.9.1.2"], "nist": ["CM-7(a)", "CM-7(b)", "CM-6(a)"], "nist-csf": ["PR.AC-3", "PR.IP-1", "PR.PT-3", "PR.PT-4"]}, "control_references": {}, "components": [], "identifiers": {}, "ocil_clause": "the \"netconsole\" is loaded and not masked", "ocil": "To check that the <code>netconsole</code> service is disabled in system boot configuration,\nrun the following command:\n<pre>$ sudo systemctl is-enabled <code>netconsole</code></pre>\nOutput should indicate the <code>netconsole</code> service has either not been installed,\nor has been disabled at all runlevels, as shown in the example below:\n<pre>$ sudo systemctl is-enabled <code>netconsole</code><br/> disabled</pre>\n\nRun the following command to verify <code>netconsole</code> is not active (i.e. not running) through current runtime configuration:\n<pre>$ sudo systemctl is-active netconsole</pre>\n\nIf the service is not running the command will return the following output:\n<pre>inactive</pre>\n\nThe service will also be masked, to check that the <code>netconsole</code> is masked, run the following command:\n<pre>$ sudo systemctl show <code>netconsole</code> | grep \"LoadState\\|UnitFileState\"</pre>\n\nIf the service is masked the command will return the following outputs:\n\n<pre>LoadState=masked</pre>\n\n<pre>UnitFileState=masked</pre>", "oval_external_content": null, "fixtext": "", "checktext": "", "vuldiscussion": "", "srg_requirement": "", "warnings": [], "conflicts": [], "requires": [], "policy_specific_content": {}, "platform": "system_with_kernel", "platforms": ["system_with_kernel"], "sce_metadata": {"check-import": "stdout", "platform": ["multi_platform_all"], "environment": "any", "filename": "service_netconsole_disabled.sh", "relative_path": "ubuntu2204/checks/sce/service_netconsole_disabled.sh"}, "inherited_platforms": [], "cpe_platform_names": ["system_with_kernel"], "inherited_cpe_platform_names": [], "bash_conditional": null, "fixes": {}, "title": "Disable Network Console (netconsole)", "definition_location": "/aptdata/openscap/scap-security-guide/linux_os/guide/services/base/service_netconsole_disabled/rule.yml", "template": {"name": "service_disabled", "vars": {"servicename": "netconsole"}, "backends": {}}}