Home/CVE/squashfs filesystem implementation of U-Boot versions from v2020.10-rc2 to v2022.07-rc5 contains a heap-based buffer ove
CVE

CVE-2022-33967

squashfs filesystem implementation of U-Boot versions from v2020.10-rc2 to v2022.07-rc5 contains a heap-based buffer ove

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.

HIGH · CVSS 7.8 EPSS 0.00559
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

1
denx u-bootall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · vultures@jpcert.or.jp
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 Jul 2022 · 07:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

4
msrcCVE-2022-33967
usnUSN-5764-1
suse-csafSUSE-SU-2022:2653-1
suse-csafSUSE-SU-2022:2661-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://jvn.jp/en/vu/JVNVU97846460/index.htmlThird Party Advisory
https://lists.denx.de/pipermail/u-boot/2022-June/487467.htmlExploitMailing ListVendor Advisory
https://source.denx.de/u-boot/u-boot/-/commit/7f7fb9937c6cb49dd35153bd6708872b390b0a44PatchThird Party AdvisoryVendor Advisory
https://www.denx.de/project/u-boot/Product
https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html
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