Anthropic says its AI system built a working root exploit for a critical Linux kernel bug, a flaw that Debian patched on 16 October but that most Ubuntu releases still lack a regular fix for.
16 October · Linux kernel · Root exploit claim
An AI system reportedly built a working root exploit for a critical Linux kernel bug
The flaw can be triggered over the network without a login. Debian has shipped a patch, but most Ubuntu releases still lack a regular fix. The AI-built exploit claim has not yet been independently verified.
No login
Triggered by packets sent to the server
Root
Highest level of control on a Linux system
16 Oct
Date Debian patched the flaw
How the attack path works
Remote packets reach a multipath TCP listener, which exposes the flaw and leads to root access.
STEP 1
Send packets
No account or login needed
→
STEP 2
Multipath TCP listener
Networking feature that uses several paths at once
→
STEP 3
Kernel flaw triggered
Critical bug in the Linux kernel
→
OUTCOME
Root access
Full control of the machine
Debian
Patch shipped
Fix released on 16 October
Systems on Debian can be updated now
Ubuntu
Fix in testing
No announced release date for a stable update
Most Ubuntu releases remain exposed in the meantime
Key caveat
The AI-built exploit is a claim, not yet a confirmed result
Not verified
No independent reproduction of the exploit yet
Scope unclear
Full list of affected versions not yet confirmed
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