CONFIG_LEGACY_VSYSCALL_NONE: None

General informations

The Linux kernel configuration item CONFIG_LEGACY_VSYSCALL_NONE:

• prompt: None
• type: bool
• depends on: (none)
• defined in arch/x86/Kconfig
• found in Linux kernels: 4.4–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

There will be no vsyscall mapping at all. This will eliminate any risk of ASLR bypass due to the vsyscall fixed address mapping. Attempts to use the vsyscalls will be reported to dmesg, so that either old or malicious userspace programs can be identified.

Hardware

LKDDb

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• (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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