New CentOS 9 Vulnerability Lets Attackers Escalate to Root Privileges

Cybersecuritynews •Guru Baran • February 6, 2026

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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CentOS 9 Vulnerability Allows Privilege Escalation to Root A critical use-after-free vulnerability in the Linux kernel's sch_cake Qdisc affects CentOS 9, enabling local users to escalate privileges to root. The flaw was disclosed by SSD Secure Disclosure on February 5, 2026, and was recognized as a top vulnerability in the Linux category at TyphoonPWN 2025. 3 sources 59

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New CentOS 9 Vulnerability Lets Attackers Escalate to Root Privileges

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Extracted Entities

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