[PATCH 14/27] ACPI: Limit access to custom_method when the kernel is locked down

2019-03-06 Thread Matthew Garrett
From: Matthew Garrett custom_method effectively allows arbitrary access to system memory, making it possible for an attacker to circumvent restrictions on module loading. Disable it if the kernel is locked down. Signed-off-by: Matthew Garrett Signed-off-by: David Howells Reviewed-by: "Lee, Chu

[PATCH 14/27] ACPI: Limit access to custom_method when the kernel is locked down

2019-02-28 Thread Matthew Garrett
From: Matthew Garrett custom_method effectively allows arbitrary access to system memory, making it possible for an attacker to circumvent restrictions on module loading. Disable it if the kernel is locked down. Signed-off-by: Matthew Garrett Signed-off-by: David Howells Reviewed-by: "Lee, Chu

Re: [PATCH 14/27] ACPI: Limit access to custom_method when the kernel is locked down

2017-10-19 Thread joeyli
On Thu, Oct 19, 2017 at 03:52:19PM +0100, David Howells wrote: > From: Matthew Garrett > > custom_method effectively allows arbitrary access to system memory, making > it possible for an attacker to circumvent restrictions on module loading. > Disable it if the kernel is locked down. > > Signed-

[PATCH 14/27] ACPI: Limit access to custom_method when the kernel is locked down

2017-10-19 Thread David Howells
From: Matthew Garrett custom_method effectively allows arbitrary access to system memory, making it possible for an attacker to circumvent restrictions on module loading. Disable it if the kernel is locked down. Signed-off-by: Matthew Garrett Signed-off-by: David Howells cc: linux-a...@vger.ke