It's weird to say I want to "die on this hill" because that's not even something I believe. There was nothing especially difficult about this particular vulnerability. My only observation that nobody did find it before, then an LLM security firm went out looking for Linux LPEs, and thus it was discovered.
That is a very difficult fact pattern to which to attach the conclusion "LLMs have sabotaged security research" (my paraphrase).
Well.. every new vulnerability is one nobody did find it before.
Otherwise, it won't be classified as "new"
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Edit:
I think LLM is very useful here.
When a researcher spot something funny, instead of spending two days on reading and testing, he can fire up a LLM and have it read all the code lead to there in ~30 minutes.
The finding started with human intuition and was assisted by an LLM. You can yell "AI sec firm" 1000 times. A human got it started. You shouldn't die on that hill.