Is CVE-2022-34835 actively exploited?

CVE-2022-34835 has no public evidence of in-the-wild exploitation as of 2025-11-03.

What is the CVSS score for CVE-2022-34835?

CVE-2022-34835 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-2022-34835?

Patch guidance is available from denx security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2022-34835.

Fix CVE-2022-34835 - CRITICAL denx u-boot

Q: Which products are affected by CVE-2022-34835?

6 products: denx u-boot, denx u-boot, denx u-boot, denx u-boot, denx u-boot, and 1 more.

Description

In Das U-Boot through 2022.07-rc5, an integer signedness error and resultant stack-based buffer overflow in the "i2c md" command enables the corruption of the return address pointer of the do_i2c_md function.

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-787 · Out-of-bounds Write

Metadata

Primary Vendor: DENX
Published: 6/30/2022
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-boot

Remediation Guidance

Executive Summary

Cite this page

CVE-2022-34835. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2022-34835

View on NIST NVD

CVE-2022-34835 vulnerability