CONFIG_DEVTMPFS_SAFE: Use nosuid,noexec mount options on devtmpfs

General informations

The Linux kernel configuration item CONFIG_DEVTMPFS_SAFE:

• prompt: Use nosuid,noexec mount options on devtmpfs
• type: bool
• depends on: CONFIG_DEVTMPFS
• defined in drivers/base/Kconfig
• found in Linux kernels: 5.17–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

This instructs the kernel to include the MS_NOEXEC and MS_NOSUID mount flags when mounting devtmpfs.

Notice: If enabled, things like /dev/mem cannot be mmapped with the PROT_EXEC flag. This can break, for example, non-KMS video drivers.

Hardware

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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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