CVE-2022-33967

7.8 HIGH
Published: July 20, 2022 Modified: November 03, 2025

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://jvn.jp/en/vu/JVNVU97846460/index.html
Source: vultures@jpcert.or.jp
Third Party Advisory
https://lists.denx.de/pipermail/u-boot/2022-June/487467.html
Source: vultures@jpcert.or.jp
Exploit Mailing List Vendor Advisory
https://source.denx.de/u-boot/u-boot/-/commit/7f7fb9937c6cb49dd35153bd6708872b390b0a44
Source: vultures@jpcert.or.jp
Patch Third Party Advisory Vendor Advisory
https://www.denx.de/project/u-boot/
Source: vultures@jpcert.or.jp
Product
https://jvn.jp/en/vu/JVNVU97846460/index.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.denx.de/pipermail/u-boot/2022-June/487467.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Mailing List Vendor Advisory
https://source.denx.de/u-boot/u-boot/-/commit/7f7fb9937c6cb49dd35153bd6708872b390b0a44
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory Vendor Advisory
https://www.denx.de/project/u-boot/
Source: af854a3a-2127-422b-91ae-364da2661108
Product

9 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
0.1%
31th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

denx