CrackArmor AppArmor Flaws Expose Linux Systems to Privilege Escalation (infosecurity-magazine.com)

• Local privilege escalation to root
• Container breakout possible
• DoS attacks on affected systems

"AppArmor vulnerabilities, dubbed CrackArmor, allow local Linux users to gain root privileges, break out of containers, and perform denial-of-service attacks. The flaws affect kernel security modules and could give attackers full control over affected systems. Patches are being prepared by maintainers."