CVE-2022-34835

9.8 CRITICAL

Published: June 30, 2022 Modified: November 03, 2025

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/u-boot/u-boot/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409

Source: cve@mitre.org

Exploit Patch Third Party Advisory

https://lists.denx.de/pipermail/u-boot/2022-June/486113.html

Source: cve@mitre.org

Exploit Patch Vendor Advisory

https://source.denx.de/u-boot/u-boot/-/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409

Source: cve@mitre.org

Patch Vendor Advisory

https://github.com/u-boot/u-boot/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Patch Third Party Advisory

https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.denx.de/pipermail/u-boot/2022-June/486113.html

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Patch Vendor Advisory

https://source.denx.de/u-boot/u-boot/-/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409

Source: af854a3a-2127-422b-91ae-364da2661108

Patch Vendor Advisory

7 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

0.3%

54th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-787

Affected Vendors

denx

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