CVEvulnerability
CVE-2022-33967
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-07-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-787
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.
Affected configurations
• denx u-boot 2020.10
• denx u-boot 2021.01
• denx u-boot 2021.04
• denx u-boot 2022.01
• denx u-boot 2022.04
• denx u-boot 2022.07
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://jvn.jp/en/vu/JVNVU97846460/index.html Third Party Advisory
- https://lists.denx.de/pipermail/u-boot/2022-June/487467.html Exploit, Mailing List, Vendor Advisory
- https://source.denx.de/u-boot/u-boot/-/commit/7f7fb9937c6cb49dd35153bd6708872b390b0a44 Patch, Third Party Advisory, Vendor Advisory
- https://www.denx.de/project/u-boot/ Product
- https://jvn.jp/en/vu/JVNVU97846460/index.html Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html lists.debian.org
- https://lists.denx.de/pipermail/u-boot/2022-June/487467.html Exploit, Mailing List, Vendor Advisory
- https://source.denx.de/u-boot/u-boot/-/commit/7f7fb9937c6cb49dd35153bd6708872b390b0a44 Patch, Third Party Advisory, Vendor Advisory
- https://www.denx.de/project/u-boot/ Product