{"description": "Setting this option to something other than its default of <tt>certs/signing_key.pem</tt> will\ndisable the autogeneration of signing keys and allow the kernel modules to be signed with a key\nof your choosing.\n\nThe string provided should identify a file containing both a private key and\nits corresponding X.509 certificate in PEM form, or \u2014 on systems where the OpenSSL ENGINE_pkcs11\nis functional \u2014 a PKCS#11 URI as defined by RFC7512. In the latter case, the PKCS#11 URI should\nreference both a certificate and a private key.\n\nThe configuration that was used to build kernel is available at <tt>/boot/config-*</tt>.\n    To check the configuration value for <tt>CONFIG_MODULE_SIG_KEY</tt>, run the following command:\n    <tt>grep CONFIG_MODULE_SIG_KEY /boot/config-*</tt>\n    \n    For each kernel installed, a line with value \"<sub idref=\"var_kernel_config_module_sig_key\" />\" should be returned.\n    ", "rationale": "A key and certificate is required to sign the built modules.", "severity": "medium", "references": {"anssi": ["R18"]}, "control_references": {"anssi": ["R18"]}, "components": [], "identifiers": {}, "ocil_clause": "the kernel was not built with the required value", "ocil": "To determine the config value the kernel was built with, run the following command:\n    <pre>$ grep CONFIG_MODULE_SIG_KEY /boot/config.*</pre>\n    \n    For each kernel installed, a line with value \"<sub idref=\"var_kernel_config_module_sig_key\" />\" should be returned.\n    ", "oval_external_content": null, "fixtext": "", "checktext": "", "vuldiscussion": "", "srg_requirement": "", "warnings": [{"general": "There is no remediation for this besides re-compiling the kernel with the appropriate value for the config."}], "conflicts": [], "requires": [], "policy_specific_content": {}, "platform": null, "platforms": [], "sce_metadata": {}, "inherited_platforms": ["system_with_kernel"], "cpe_platform_names": [], "inherited_cpe_platform_names": ["system_with_kernel"], "bash_conditional": null, "fixes": {}, "title": "Specify module signing key to use", "definition_location": "/aptdata/openscap/scap-security-guide/linux_os/guide/system/kernel_build_config/kernel_config_module_sig_key/rule.yml", "template": {"name": "kernel_build_config", "vars": {"config": "CONFIG_MODULE_SIG_KEY", "variable": "var_kernel_config_module_sig_key"}, "backends": {}}}