CONFIG_LEGACY_VSYSCALL_NATIVE: Native

General informations

The Linux kernel configuration item CONFIG_LEGACY_VSYSCALL_NATIVE:

• prompt: Native
• type: bool
• depends on: (none)
• defined in arch/x86/Kconfig
• found in Linux kernels: 4.4–4.15

Help text

Actual executable code is located in the fixed vsyscall address mapping, implementing time() efficiently. Since this makes the mapping executable, it can be used during security vulnerability exploitation (traditionally as ROP gadgets). This configuration is not recommended.

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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