CVE-2022-33967
HIGH
7.8
CVSS Score
Published: July 20, 2022 at 06:15 AM UTC
Updated: June 17, 2026 at 04:49 AM UTC
2 products affected across 2 vendorsU BootU-Boot
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Severity
HIGH7.8
Exploit prediction
EPSS 0.6%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
2020.10-rc2 ≤ v ≤ 2022.07-rc5
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://jvn.jp/en/vu/JVNVU97846460/index.htmlx_refsource_MISCExploitMailing ListVendor Advisory
Source: [email protected]
https://lists.denx.de/pipermail/u-boot/2022-June/487467.htmlx_refsource_MISCPatchThird Party AdvisoryVendor Advisory
Source: [email protected]
https://source.denx.de/u-boot/u-boot/-/commit/7f7fb9937c6cb49dd35153bd6708872b390b0a44Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/05/msg00001.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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