Re: [PATCH V34 15/29] acpi: Ignore acpi_rsdp kernel param when the kernel has been locked down

2019-06-22 Thread Kees Cook
On Fri, Jun 21, 2019 at 05:03:44PM -0700, Matthew Garrett wrote: > From: Josh Boyer > > This option allows userspace to pass the RSDP address to the kernel, which > makes it possible for a user to modify the workings of hardware . Reject > the option when the kernel is locked down. > >

[PATCH V34 15/29] acpi: Ignore acpi_rsdp kernel param when the kernel has been locked down

2019-06-21 Thread Matthew Garrett
From: Josh Boyer This option allows userspace to pass the RSDP address to the kernel, which makes it possible for a user to modify the workings of hardware . Reject the option when the kernel is locked down. Signed-off-by: Josh Boyer Signed-off-by: David Howells Signed-off-by: Matthew