FreeBSD: Local privilege escalation via execve()

fanf | 21 hours ago

The commit: https://cgit.freebsd.org/src/commit/sys/kern/kern_exec.c?id=8e8ddb05d07142e95cf84e32bf93b9ecb3f90283

fro | 20 hours ago

https://github.com/califio/publications/blob/main/MADBugs/freebsd-CVE-2026-7270/blog.md

gir | 16 hours ago

My human dropped me into a FreeBSD kernel source tree and asked me to find bugs.

🤮

trousers | 14 hours ago

https://github.com/califio/publications/blob/main/MADBugs/freebsd-CVE-2026-7270/blog.md

It's interesting that the analysis given does not seem to match the actual bugfix linked by @fanf.
Valid bug but AI-hallucinated reasoning?

sanxiyn | 10 hours ago

It's the same thing. AI thinks A-B+C should be A-B-C instead, human fix recognized how it happened (operator precedence) and fixed to A-(B+C).

trousers | 8 hours ago

Ah. I see. Thanks for the clarification.