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A Single Wrong Character in Linux Code Opens the Door to Root-Level Attacks
Ars Technica·Tuesday, 9 June 2026
A high-severity vulnerability has been found in the Linux kernel, caused by a single errant character in the code. The bug is a use-after-free flaw, which means it can be exploited to escape sandbox protections and potentially gain full control of a system. The vulnerability allows an attacker to gain root access.
Why It Matters
Linux powers a huge portion of the world's servers, Android phones, and cloud infrastructure — a bug this serious affects a massive amount of the tech we all depend on.
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