New DirtyClone Linux Vulnerability Allows Attackers to Gain Root Access Via Cloned Packets

A new Linux kernel local privilege escalation vulnerability, dubbed “DirtyClone” (CVE-2026-43503), that allows unprivileged local users to gain full root access by manipulating cloned network packets through the XFRM/IPsec subsystem, all without leaving a trace in kernel logs or audit records. DirtyClone is a high-severity variant...

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