Published on: 2025-08-10 16:16:56
ARMO researchers reveal a major blind spot in Linux runtime security tools caused by the io_uring interface—an asynchronous I/O mechanism that bypasses traditional system calls. Most tools, including Falco, Tetragon, and Microsoft Defender fail to detect rootkits using io_uring because they rely on syscall monitoring. ARMO’s proof-of-concept rootkit, Curing, operates fully via io_uring to demonstrate the threat. While some vendors responded with fixes or workarounds, the broader industry remains
Keywords: ebpf io_uring linux security vendors
Find related items on AmazonPublished on: 2025-08-11 16:00:00
A significant security gap in Linux runtime security caused by the 'io_uring' interface allows rootkits to operate undetected on systems while bypassing advanced Enterprise security software. The flaw was discovered by ARMO security researchers who developed a proof-of-concept rootkit called "Curing" to demonstrate the practicality and feasibility of attacks leveraging io_uring for evasion. io_uring is a Linux kernel interface for efficient, asynchronous I/O operations. It was introduced in 20
Keywords: armo io_uring kernel linux security
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