CVE-2022-1976: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

A flaw was found in the Linux kernel’s implementation of IO-URING. This flaw allows an attacker with local executable permission to create a string of requests that can cause a use-after-free flaw within the kernel. This issue leads to memory corruption and possible privilege escalation.

Affected products

• Linux Linux Kernel: from 5.17.3, before 5.18.6 (fixed in 5.18.6)

Published 2022-08-31. Last modified 2026-06-17.