Nebusec Research

NebuSec builds Nebu, an AI security platform for continuous code and cloud protection, backed by researchers who find zero-days in Chrome and Linux.

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Systems & Performance 1 Security & Privacy 1

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GhostLock, a stack-UAF that has existed in all Linux distributions for 15 years

2026417 points200 commentscited by 4Security & Privacy details

GhostLock (CVE-2026-43499) is a Linux kernel vulnerability found by Nebu that exists in every major distribution since 2011. Triggering the bug does not require any special kernel config or privilege. By turning it into a 97% stable privilege escalation and container escape, Google has rewarded us $92,337 in…