Is CVE-2022-30767 actively exploited?

CVE-2022-30767 has no public evidence of in-the-wild exploitation as of 2025-11-03.

What is the CVSS score for CVE-2022-30767?

CVE-2022-30767 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2022-30767?

Patch guidance is available from denx security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2022-30767.

Fix CVE-2022-30767 - CRITICAL denx u-boot

Q: Which products are affected by CVE-2022-30767?

4 products: denx u-boot, denx u-boot, denx u-boot, fedoraproject fedora.

Description

nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a failed length check, leading to a buffer overflow. NOTE: this issue exists because of an incorrect fix for CVE-2019-14196.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-120

Metadata

Primary Vendor: DENX
Published: 5/16/2022
Last Modified: 11/3/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

denx : u-bootdenx : u-bootdenx : u-bootfedoraproject : fedora

Remediation Guidance

Executive Summary

Cite this page

CVE-2022-30767. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2022-30767

View on NIST NVD

CVE-2022-30767 vulnerability