{"description": "Enabling <tt>CONFIG_BINFMT_MISC</tt> makes it possible to plug wrapper-driven binary formats\ninto the kernel. This is specially useful for programs that need an interpreter to run like\nJava, Python and DOS emulators. Once you have registered such a binary class with the kernel,\nyou can start one of those programs simply by typing in its name at a shell prompt.\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_BINFMT_MISC</tt>, run the following command:\n    <tt>grep CONFIG_BINFMT_MISC /boot/config-*</tt>\n    \n    Configs with value 'n' are not explicitly set in the file, so either commented lines or no\n    lines should be returned.\n    ", "rationale": "This disables arbitrary binary format support and helps reduce attack surface.", "severity": "medium", "references": {"anssi": ["R23"]}, "control_references": {"anssi": ["R23"]}, "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_BINFMT_MISC /boot/config.*</pre>\n    \n    Configs with value 'n' are not explicitly set in the file, so either commented lines or no\n    lines 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": "Disable kernel support for MISC binaries", "definition_location": "/aptdata/openscap/scap-security-guide/linux_os/guide/system/kernel_build_config/kernel_config_binfmt_misc/rule.yml", "template": {"name": "kernel_build_config", "vars": {"config": "CONFIG_BINFMT_MISC", "value": "n"}, "backends": {}}}