Is CVE-2022-33967 actively exploited?

CVE-2022-33967 has no public evidence of in-the-wild exploitation as of 2025-11-03.

What is the CVSS score for CVE-2022-33967?

CVE-2022-33967 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2022-33967?

Patch guidance is available from denx security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2022-33967.

Fix CVE-2022-33967 - HIGH denx u-boot

Q: Which products are affected by CVE-2022-33967?

28 products: denx u-boot, denx u-boot, denx u-boot, denx u-boot, denx u-boot, and 23 more.

Description

squashfs filesystem implementation of U-Boot versions from v2020.10-rc2 to v2022.07-rc5 contains a heap-based buffer overflow vulnerability due to a defect in the metadata reading process. Loading a specially crafted squashfs image may lead to a denial-of-service (DoS) condition or arbitrary code execution.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: local
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: DENX
Published: 7/20/2022
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-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-bootdenx : u-boot

Remediation Guidance

Executive Summary

Cite this page

CVE-2022-33967. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2022-33967

View on NIST NVD

CVE-2022-33967 vulnerability