Nine CrackArmor Flaws in Linux AppArmor Enable Root Escalation, Bypass Container Isolation

Source: The Hacker News
Published: Fri, 13 Mar 2026 08:18:00 GMT

News Summary

Cybersecurity researchers have disclosed multiple security vulnerabilities within the Linux kernel's AppArmor module that could be exploited by unprivileged users to circumvent kernel protections, escalate to root, and undermine container isolation guarantees. The nine confused deputy vulnerabilities have been collectively codenamed CrackArmor by the Qualys Threat Research Unit (TRU). The

Source

Original report: https://thehackernews.com/2026/03/nine-crackarmor-flaws-in-linux-apparmor.html

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