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Claude Code Found a Linux Vulnerability Hidden for 23 Years

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Re: Claude Code Found a Linux Vulnerability Hidden for 23 Years

#91
post #34

Earlier quoted context omitted.

Couldn't you just make it write a PoC?

Still have to validate it.

I’ve started to see bug bounty programs put flags into the product (see apples target flags https://security.apple.com/bounty/target-flags/).

I wonder if it’s partially to make it easier to validate from an AI perspective

Re: Claude Code Found a Linux Vulnerability Hidden for 23 Years

#92

This isn't surprising. What is not mentioned is that Claude Code also found one thousand false positive bugs, which developers spent three months to rule out.

The article doesn't say they found a bunch of false positives. It says they have a huge backlog that they still need to test:

"I have so many bugs in the Linux kernel that I can’t report because I haven’t validated them yet…"

Re: Claude Code Found a Linux Vulnerability Hidden for 23 Years

#93
post #33

This isn't surprising. What is not mentioned is that Claude Code also found one thousand false positive bugs, which developers spent three months to rule out.

> What is not mentioned is that Claude Code also found one thousand false positive bugs, which developers spent three months to rule out. Source? I haven't seen this anywhere. In my experience, false positive rate on vulnerabilities with Claude Opus 4.6 is well below 20%.

To the issue of AI submitted patches being more of a burden than a boon, many projects have decided to stop accepting AI-generated solutioning:

https://blog.devgenius.io/open-source-projects-are-now-banni...

These are just a few examples. There are more that google can supply.

Re: Claude Code Found a Linux Vulnerability Hidden for 23 Years

#94

Earlier quoted context omitted.

> This is something a lot of static analysers can easily find. And yet they didn't (either noone ran them, or they didn't find it, or they did find it but it was buried in hundreds of false positives) for 20+ years... I find it funny that every time someone does something cool with LLMs, there's a bunch of takes like this: it was trivial, it's just not important, my dad could have done that in his sleep.

Remember Heartbleed in OpenSSL? That long predated LLMs, but same story: some bozo forgot how long something should/could be, and no one else bothered to check either.

Hey we are the bozos

Re: Claude Code Found a Linux Vulnerability Hidden for 23 Years

#95
post #49
post #47

Earlier quoted context omitted.

In TFA: I have so many bugs in the Linux kernel that I can’t report because I haven’t validated them yet… I’m not going to send [the Linux kernel maintainers] potential slop, but this means I now have several hundred crashes that they haven’t seen because I haven’t had time to check them. —Nicholas Carlini, speaking at [un]prompted 2026

Those aren't false positives; they're results he hasn't yet inspected. I wrote a longer reply here: https://news.ycombinator.com/item?id=47638062

some of them certainly are…

Re: Claude Code Found a Linux Vulnerability Hidden for 23 Years

#96
post #33

Earlier quoted context omitted.

> What is not mentioned is that Claude Code also found one thousand false positive bugs, which developers spent three months to rule out. Source? I haven't seen this anywhere. In my experience, false positive rate on vulnerabilities with Claude Opus 4.6 is well below 20%.

To the issue of AI submitted patches being more of a burden than a boon, many projects have decided to stop accepting AI-generated solutioning: https://blog.devgenius.io/open-source-projects-are-now-banni... These are just a few examples. There are more that google can supply.

[deleted]

Re: Claude Code Found a Linux Vulnerability Hidden for 23 Years

#97

Earlier quoted context omitted.

> Pasting a big batch of new code and asking Claude "what have I forgotten? Where are the bugs?" It's actually the main way I use CC/codex.

I find Codex sufficiently better for it that I’ve taught Claude how to shell out to it for code reviews

Ditto, I made a "/codex-review" skill in Claude Code that reviews the last git commit and writes an analysis of it for Claude Code to then work. I've had very good luck with it.

One particularly striking example: I had CC do some work and then kicked off a "/codex-review" and while it was running went to test the changes. I found a deadlock but when I switched back to CC the Codex review had found the deadlock and Claude Code was already working on a fix.

Re: Claude Code Found a Linux Vulnerability Hidden for 23 Years

#98
post #68

Earlier quoted context omitted.

The lesson here shouldn't be that Claude Code is useless, but that it's a powerful tool in the hands of the right people.

The same could be said about a Roulette wheel set before a seasoned gambler

Can a Roulette wheel set find vulnerabilities in software?

Re: Claude Code Found a Linux Vulnerability Hidden for 23 Years

#99
post #33

Earlier quoted context omitted.

> What is not mentioned is that Claude Code also found one thousand false positive bugs, which developers spent three months to rule out. Source? I haven't seen this anywhere. In my experience, false positive rate on vulnerabilities with Claude Opus 4.6 is well below 20%.

To the issue of AI submitted patches being more of a burden than a boon, many projects have decided to stop accepting AI-generated solutioning: https://blog.devgenius.io/open-source-projects-are-now-banni... These are just a few examples. There are more that google can supply.

No, they haven't. Read the ai slop you posted carefully.

It's a policy update that enables maintainers to ignore low effort "contributions" that come from untrusted people in order to reduce reviewing workload.

An Eternal September problem, kind of.

Re: Claude Code Found a Linux Vulnerability Hidden for 23 Years

#100
post #94

Earlier quoted context omitted.

Remember Heartbleed in OpenSSL? That long predated LLMs, but same story: some bozo forgot how long something should/could be, and no one else bothered to check either.

Hey we are the bozos

Lets all get together and self-reflect on the bozos way.
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