As noted later in thread, a proper writeup for Linus & co. was in progress when the vulnerability was disclosed in advanced of the 1/9 publication date, and so

As noted later in thread, a proper writeup for Linus & co. was in progress when the vulnerability was disclosed in advanced of the 1/9 publication date, and so Linus was missing a lot of context for the patch when he wrote the email linked by this post.