Linux kernel source tree https://git.amat.us/linux/atom/drivers/acpi/custom_method.c?h=v3.2.38 2011-05-29T05:50:40Z 2011-05-29T05:50:40Z Thomas Renninger trenn@suse.de 2011-05-26T10:26:24Z urn:sha1:526b4af47f44148c9d665e57723ed9f86634c6e3 With /sys/kernel/debug/acpi/custom_method root can write to arbitrary memory and increase his priveleges, even if these are restricted. -> Make this an own debug .config option and warn about the security issue in the config description. -> Still keep acpi/debugfs.c which now only creates an empty /sys/kernel/debug/acpi directory. There might be other users of it later. Signed-off-by: Thomas Renninger <trenn@suse.de> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: rui.zhang@intel.com Signed-off-by: Len Brown <len.brown@intel.com>