New CentOS 9 Vulnerability Allows Attackers to Escalate Privileges to Root

Cyberpress • February 6, 2026

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Closely monitor kernel updates and to security advisories for new releases. As of now, no stable kernel patch for CentOS Stream 9 has ...

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

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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