Interesting, I hadn't heard that! That does sound like it's just as premature to claim Rust wouldn't have prevented it as it is to claim it would have, which I think stands as valid criticism of the comment I originally responded to.

It’s not. If you look at the analysis, the bug is present only in one version of the kernel everything else the same. It’s the kernel.

Also here’s a kernel developer confirming they think it’s the kernel: https://news.ycombinator.com/item?id=49134550