Cyberdudebivash

        CRITICAL Android Kernel Flaw: Race Condition in POSIX Timers Allows Local Privilege Escalation (Report by CyberDudeBivash)     By CyberDudeBivash • September 28, 2025, 11:41 AM IST • Security Research Analysis   The security of the entire Android ecosystem rests on a single, massive foundation: the Linux kernel. A vulnerability at this deep, privileged level can bypass nearly all the security controls we rely on. Today, we are dissecting such a flaw. Security researchers have disclosed a high-severity **race condition vulnerability** in the kernel's **POSIX timers subsystem**, a core component present in billions of Android devices. This is not a simple app-level bug; it's a foundational flaw that can be exploited by a locally installed malicious application to gain full `root` privileges and achieve a complete device takeover. This technical report will break down the mechanics of this complex vulnerability, explain the devastatin...