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CONFIG_DEBUG_SET_MODULE_RONX: Set loadable kernel module data as NX and text as RO

General informations

The Linux kernel configuration item CONFIG_DEBUG_SET_MODULE_RONX has multiple definitions:

found in arch/s390/Kconfig.debug

The configuration item CONFIG_DEBUG_SET_MODULE_RONX:

Help text

(none)

Set loadable kernel module data as NX and text as RO found in arch/arm/Kconfig.debug

The configuration item CONFIG_DEBUG_SET_MODULE_RONX:

Help text

This option helps catch unintended modifications to loadable kernel module's text and read-only data. It also prevents execution of module data. Such protection may interfere with run-time code patching and dynamic kernel tracing - and they might also protect against certain classes of kernel exploits. If in doubt, say "N".

Set loadable kernel module data as NX and text as RO found in arch/arm64/Kconfig.debug

The configuration item CONFIG_DEBUG_SET_MODULE_RONX:

Help text

Is this is set, kernel module text and rodata will be made read-only. This is to help catch accidental or malicious attempts to change the kernel's executable code.

If in doubt, say Y.

Set loadable kernel module data as NX and text as RO found in arch/x86/Kconfig.debug

The configuration item CONFIG_DEBUG_SET_MODULE_RONX:

Help text

This option helps catch unintended modifications to loadable kernel module's text and read-only data. It also prevents execution of module data. Such protection may interfere with run-time code patching and dynamic kernel tracing - and they might also protect against certain classes of kernel exploits. If in doubt, say "N".

Hardware

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