This patch fixes CVE-2018-20669 in 4.19 tree.
On 13/05/20, 11:36 AM, "Greg KH" wrote:
On Wed, May 13, 2020 at 07:19:21AM +0530, ashwin-h wrote:
> From: Linus Torvalds
>
> commit 594cc251fdd0d231d342d88b2fdff4bc42fb0690 upstream.
>
>
> Ok, but what does that mean for us?
>
> You need to say why you are sending a patch, otherwise we will guess wrong.
In drivers/gpu/drm/i915/i915_gem_execbuffer.c, ioctl functions does
user_access_begin() without doing access_ok(Checks if a user space pointer is
valid) first.
A local
. We have way too long a history of people
trying to avoid them.
Signed-off-by: Linus Torvalds
Signed-off-by: Ashwin H
---
arch/x86/include/asm/uaccess.h | 11 ++-
drivers/gpu/drm/i915/i915_gem_execbuffer.c | 15 +--
include/linux/uaccess.h
> -Original Message-
> From: Greg KH
> Sent: Wednesday, May 27, 2020 9:02 PM
> To: Ashwin H
> Cc: x...@kernel.org; dri-devel@lists.freedesktop.org; intel-
> g...@lists.freedesktop.org; linux-ker...@vger.kernel.org; sta...@kernel.org;
> Srivatsa Bhat ; sriva...@
> -Original Message-
> From: Ashwin H
> Sent: Thursday, May 28, 2020 1:01 PM
> To: Greg KH
> Cc: x...@kernel.org; dri-devel@lists.freedesktop.org; intel-
> g...@lists.freedesktop.org; linux-ker...@vger.kernel.org; sta...@kernel.org;
> Srivatsa Bhat ; sriva...@
