What is CVE-2022-3103?

CVE-2022-3103 is a high-severity vulnerability in Linux Kernel, classified under Off-by-one Error. CVSS score: 7.8/10. Published 2022-09-26.

How severe is CVE-2022-3103?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux Kernel

CVE-2022-3103

off-by-one in io_uring module.

Published 2022-09-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (20.4th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Linux Kernel — versions 6.0
Linux — versions 6.0-rc3

Weakness classification (CWE)

CWE-193 — Off-by-one Error

References

github.com/torvalds/linux/releases/tag/v6.0-rc3 (Third Party Advisory)

Frequently asked questions

What is CVE-2022-3103?: CVE-2022-3103 is a high-severity vulnerability in Linux Kernel, classified under Off-by-one Error. CVSS score: 7.8/10. Published 2022-09-26.
How severe is CVE-2022-3103?: High severity. CVSS v3 base score is 7.8 out of 10.