CONFIG_GCC_PLUGIN_STRUCTLEAK_USER: zero-init structs marked for userspace (weak)

General informations

The Linux kernel configuration item CONFIG_GCC_PLUGIN_STRUCTLEAK_USER has multiple definitions:

zero-init structs marked for userspace (weak) found in security/Kconfig.hardening

The configuration item CONFIG_GCC_PLUGIN_STRUCTLEAK_USER:

• prompt: zero-init structs marked for userspace (weak)
• type: bool
• depends on: CONFIG_GCC_PLUGINS && ! CONFIG_CC_HAS_AUTO_VAR_INIT_ZERO
• defined in security/Kconfig.hardening
• found in Linux kernels: 5.2–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

Zero-initialize any structures on the stack containing a __user attribute. This can prevent some classes of uninitialized stack variable exploits and information exposures, like CVE-2013-2141: https://git.kernel.org/linus/b9e146d8eb3b9eca

structs marked for userspace found in scripts/gcc-plugins/Kconfig

The configuration item CONFIG_GCC_PLUGIN_STRUCTLEAK_USER:

• prompt: structs marked for userspace
• type: bool
• depends on: (none)
• defined in scripts/gcc-plugins/Kconfig
• found in Linux kernels: 5.1

Help text

Zero-initialize any structures on the stack containing a __user attribute. This can prevent some classes of uninitialized stack variable exploits and information exposures, like CVE-2013-2141: https://git.kernel.org/linus/b9e146d8eb3b9eca

Hardware

LKDDb

Raw data from LKDDb:

• (none)

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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