{"description": "To configure polyinstantiated /tmp directories, first create the parent directories\nwhich will hold the polyinstantiation child directories. Use the following command:\n<pre>$ sudo mkdir --mode 000 /tmp/tmp-inst</pre>\nThen, add the following entry to <tt>/etc/security/namespace.conf</tt>:\n<pre>/tmp     /tmp/tmp-inst/            level      root,adm</pre>", "rationale": "Polyinstantiation of temporary directories is a proactive security measure\nwhich reduces chances of attacks that are made possible by /tmp\ndirectories being world-writable.", "severity": "low", "references": {"anssi": ["R55"]}, "control_references": {"anssi": ["R55"]}, "components": [], "identifiers": {}, "ocil_clause": "is not configured", "ocil": "Run the following command to ensure that <tt>/tmp</tt> is configured as a\npolyinstantiated directory:\n<pre>$ sudo grep /tmp /etc/security/namespace.conf</pre>\nThe output should return the following:\n<pre>/tmp     /tmp/tmp-inst/            level      root,adm</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": {}, "inherited_platforms": [], "cpe_platform_names": ["system_with_kernel"], "inherited_cpe_platform_names": [], "bash_conditional": null, "fixes": {}, "title": "Configure Polyinstantiation of /tmp Directories", "definition_location": "/aptdata/openscap/scap-security-guide/linux_os/guide/system/accounts/accounts-session/accounts_polyinstantiated_tmp/rule.yml", "template": null}