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XCCDF
Guide to the Secure Configuration of Ubuntu 22.04
System Settings
File Permissions and Masks
Restrict Programs from Dangerous Execution Patterns
Enable Execute Disable (XD) or No Execute (NX) Support on x86 Systems
Enable NX or XD Support in the BIOS
Enable NX or XD Support in the BIOS
An XCCDF Rule
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Enable NX or XD Support in the BIOS
Medium Severity
Reboot the system and enter the BIOS or Setup configuration menu. Navigate the BIOS configuration menu and make sure that the option is enabled. The setting may be located under a Security section. Look for Execute Disable (XD) on Intel-based systems and No Execute (NX) on AMD-based systems.