The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/docs/+/0b3a2bc3a725220a25b05418e0b738feb6b3dd3a

commit 0b3a2bc3a725220a25b05418e0b738feb6b3dd3a
Author: Greg Kerr <kerrnel@chromium.org>
Date: Fri Mar 23 18:52:25 2018

docs: Add Security Severity Guidelines

BUG= chromium:823893 
TEST=none

Change-Id: I1c9a677c0aa53d0a08a1450dd09b62926c7af2a4
Reviewed-on: https://chromium-review.googlesource.com/972160
Commit-Ready: Greg Kerr <kerrnel@chromium.org>
Tested-by: Greg Kerr <kerrnel@chromium.org>
Reviewed-by: Greg Kerr <kerrnel@chromium.org>

[add] https://crrev.com/0b3a2bc3a725220a25b05418e0b738feb6b3dd3a/security_severity_guidelines.md

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/docs/+/58cc1fa23b86e3b290b82af43e779bf858bdc891

commit 58cc1fa23b86e3b290b82af43e779bf858bdc891
Author: Greg Kerr <kerrnel@chromium.org>
Date: Mon Apr 02 20:24:51 2018

docs: Update Security Severity Guidelines

This updates the security severity guidelines to clarify that an exploit
chain is a typical form of critical vulnerability, but not necessarily a
common bug.

BUG= chromium:823893 
TEST=none

Change-Id: Ia278364f959eb0b382ec8ba3ae6089b1acc65a17
Reviewed-on: https://chromium-review.googlesource.com/990479
Commit-Ready: Greg Kerr <kerrnel@chromium.org>
Tested-by: Greg Kerr <kerrnel@chromium.org>
Reviewed-by: Eric Lawrence <elawrence@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>

[modify] https://crrev.com/58cc1fa23b86e3b290b82af43e779bf858bdc891/security_severity_guidelines.md