{"description": "Scatter-gather tables are mechanism used for high performance I/O on DMA devices.\nEnable this to turn on checks on scatter-gather tables.\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_DEBUG_SG</tt>, run the following command:\n    <tt>grep CONFIG_DEBUG_SG /boot/config-*</tt>\n    \n    For each kernel installed, a line with value \"y\" should be returned.\n    ", "rationale": "This can help find problems with drivers that do not properly initialize their SG tables.", "severity": "low", "references": {"anssi": ["R16"]}, "control_references": {"anssi": ["R16"]}, "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_DEBUG_SG /boot/config.*</pre>\n    \n    For each kernel installed, a line with value \"y\" 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": "Enable checks on scatter-gather (SG) table operations", "definition_location": "/aptdata/openscap/scap-security-guide/linux_os/guide/system/kernel_build_config/kernel_config_debug_sg/rule.yml", "template": {"name": "kernel_build_config", "vars": {"config": "CONFIG_DEBUG_SG", "value": "y"}, "backends": {}}}