New CentOS 9 Vulnerability Lets Attackers Escalate to Root Privileges – PoC Released

A critical use-after-free (UAF) vulnerability in the Linux kernel’s sch_cake queuing discipline (Qdisc) affects CentOS 9, allowing local users to gain root privileges. Security firm SSD Secure Disclosure published details on February 5, 2026, noting the flaw won first place in the Linux category at TyphoonPWN 2025. The issue arises in the cake_enqueue function of […]

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