# CVE-2023-2430

## Summary

- **CVE ID:** CVE-2023-2430
- **Severity:** UNKNOWN
- **CVSS Score:** 0
- **CWE:** CWE-413
- **Published:** Jul 23, 2023
- **Last Modified:** Mar 13, 2026

## Description

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

- n/a — kernel (Kernel Linux prior to Kernel 6.2 RC5)

## References

- [CNA](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e12d7a46f65ae4b7d58a5e0c1cbfa825cf8)
- [CNA](https://www.debian.org/security/2023/dsa-5492)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.01%
- **EPSS Percentile:** 1.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._