CVE-2023-2430: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability was found due to missing lock for IOPOLL flaw in io_cqring_event_overflow() in io_uring.c in Linux Kernel. This flaw allows a local attacker with user privilege to trigger a Denial of Service threat.

Affected products

• Linux Linux Kernel: before 6.2 (fixed in 6.2); version 6.2 only

Published 2023-07-23. Last modified 2026-06-17.