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CONFIG_DEVTMPFS_SAFE: Use nosuid,noexec mount options on devtmpfs

General informations

The Linux kernel configuration item CONFIG_DEVTMPFS_SAFE:

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.



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