Ubuntu’s Kernel Vulnerability Let Attackers Escalate Privileges and Gain Root Access

A critical vulnerability in Ubuntu’s Linux kernel has been exposed, allowing local attackers to escalate privileges and potentially gain root access on affected systems. Disclosed at TyphoonPWN 2025, the flaw stems from a reference count imbalance in the af_unix subsystem, leading to a use-after-free (UAF) condition that researchers demonstrated with a full proof-of-concept exploit. This […]

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