CONFIG_STACKLEAK_RUNTIME_DISABLE: Allow runtime disabling of kernel stack erasing

General informations

The Linux kernel configuration item CONFIG_STACKLEAK_RUNTIME_DISABLE has multiple definitions:

Allow runtime disabling of kernel stack erasing found in security/Kconfig.hardening

The configuration item CONFIG_STACKLEAK_RUNTIME_DISABLE:

• prompt: Allow runtime disabling of kernel stack erasing
• type: bool
• depends on: CONFIG_GCC_PLUGIN_STACKLEAK
• defined in security/Kconfig.hardening
• found in Linux kernels: 5.2–5.19, 6.0–6.14, 6.15-rc+HEAD

Help text

This option provides 'stack_erasing' sysctl, which can be used in runtime to control kernel stack erasing for kernels built with GCC_PLUGIN_STACKLEAK.

Allow runtime disabling of kernel stack erasing found in scripts/gcc-plugins/Kconfig

The configuration item CONFIG_STACKLEAK_RUNTIME_DISABLE:

• prompt: Allow runtime disabling of kernel stack erasing
• type: bool
• depends on: CONFIG_GCC_PLUGIN_STACKLEAK
• defined in scripts/gcc-plugins/Kconfig
• found in Linux kernels: 4.20, 5.0–5.1

Help text

This option provides 'stack_erasing' sysctl, which can be used in runtime to control kernel stack erasing for kernels built with GCC_PLUGIN_STACKLEAK.

Hardware

LKDDb

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Sources

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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