#badepoll

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Daily CyberSecurity @DailyCyberSecurity@infosec.exchange · Jul 14, 2026

A Debian webhost was rooted while missing fixes for Bad Epoll (CVE-2026-46242) and an IPv6 frag escape. Public PoC exploit code is now out. #BadEpoll #CVE202646242 #LinuxKernel #PrivilegeEscalation #CyberSecurity https://securityonline.info/bad-epoll-cve-2026-46242-2/?utm_source=mastodon&utm_medium=jetpack_social

thecybersecguru @thecybersecguru@infosec.exchange · Jul 05, 2026

🚨 An AI found one Linux kernel bug... but completely missed its sibling.

That missed flaw became Bad Epoll (CVE-2026-46242).

A tiny race condition in Linux's epoll subsystem can let an ordinary local user become root with a 99% reliable exploit. It affects Linux systems and can even be chained in Android attack scenarios.

In my latest deep dive, I break down:

🔍 Why the vulnerability stayed hidden ⚡ How a 10-instruction race window was weaponized 🧠 Why AI detected one bug but missed this one 💥 The exploit chain from race condition to root shell 🛡️ Detection, mitigation, and patch guidance

📖 Full article: https://thecybersecguru.com/exploits/cve-2026-46242-bad-epoll-linux-vulnerability/

🔁 Repost to help more Linux users and security professionals stay informed.

#Linux #CyberSecurity #InfoSec #LinuxKernel #CVE #BadEpoll #ExploitDevelopment #PrivilegeEscalation #Kernel #RedTeam #BlueTeam #EthicalHacking #AndroidSecurity #SecurityResearch