Out-of-bounds write in DENX Software Engineering U-Boot
Priority LOW 35CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.00558 46th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| DENX Software Engineering | U-Boot | versions from v2020.10-rc2 to v2022.07-rc5 | — | No fix listed | CNA |
- U-Boot VendorDENX Software Engineering Affected versions from v2020.10-rc2 to v2022.07-rc5 Fixed in — No fix listed CNA
CPE configurations NVD · 28
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:denx:u-boot:2020.10:rc2:*:*:*:*:*:* | 2020.10 rc2 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2020.10:rc3:*:*:*:*:*:* | 2020.10 rc3 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2020.10:rc4:*:*:*:*:*:* | 2020.10 rc4 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2020.10:rc5:*:*:*:*:*:* | 2020.10 rc5 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2021.01:-:*:*:*:*:*:* | 2021.01 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2021.01:rc1:*:*:*:*:*:* | 2021.01 rc1 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2021.01:rc2:*:*:*:*:*:* | 2021.01 rc2 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2021.01:rc3:*:*:*:*:*:* | 2021.01 rc3 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2021.01:rc4:*:*:*:*:*:* | 2021.01 rc4 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2021.01:rc5:*:*:*:*:*:* | 2021.01 rc5 | Vulnerable | u-boot |
- cpe:2.3:a:denx:u-boot:2020.10:rc2:*:*:*:*:*:* Versions 2020.10 rc2 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2020.10:rc3:*:*:*:*:*:* Versions 2020.10 rc3 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2020.10:rc4:*:*:*:*:*:* Versions 2020.10 rc4 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2020.10:rc5:*:*:*:*:*:* Versions 2020.10 rc5 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2021.01:-:*:*:*:*:*:* Versions 2021.01 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2021.01:rc1:*:*:*:*:*:* Versions 2021.01 rc1 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2021.01:rc2:*:*:*:*:*:* Versions 2021.01 rc2 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2021.01:rc3:*:*:*:*:*:* Versions 2021.01 rc3 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2021.01:rc4:*:*:*:*:*:* Versions 2021.01 rc4 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2021.01:rc5:*:*:*:*:*:* Versions 2021.01 rc5 Vulnerable ·u-boot
Show 18 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:denx:u-boot:2021.04:rc1:*:*:*:*:*:* | 2021.04 rc1 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2021.04:rc2:*:*:*:*:*:* | 2021.04 rc2 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2022.01:-:*:*:*:*:*:* | 2022.01 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2022.01:rc1:*:*:*:*:*:* | 2022.01 rc1 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2022.01:rc2:*:*:*:*:*:* | 2022.01 rc2 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2022.01:rc3:*:*:*:*:*:* | 2022.01 rc3 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2022.01:rc4:*:*:*:*:*:* | 2022.01 rc4 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2022.04:-:*:*:*:*:*:* | 2022.04 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2022.04:rc1:*:*:*:*:*:* | 2022.04 rc1 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2022.04:rc2:*:*:*:*:*:* | 2022.04 rc2 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2022.04:rc3:*:*:*:*:*:* | 2022.04 rc3 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2022.04:rc4:*:*:*:*:*:* | 2022.04 rc4 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2022.04:rc5:*:*:*:*:*:* | 2022.04 rc5 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2022.07:rc1:*:*:*:*:*:* | 2022.07 rc1 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2022.07:rc2:*:*:*:*:*:* | 2022.07 rc2 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2022.07:rc3:*:*:*:*:*:* | 2022.07 rc3 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2022.07:rc4:*:*:*:*:*:* | 2022.07 rc4 | Vulnerable | u-boot |
| cpe:2.3:a:denx:u-boot:2022.07:rc5:*:*:*:*:*:* | 2022.07 rc5 | Vulnerable | u-boot |
- cpe:2.3:a:denx:u-boot:2021.04:rc1:*:*:*:*:*:* Versions 2021.04 rc1 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2021.04:rc2:*:*:*:*:*:* Versions 2021.04 rc2 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2022.01:-:*:*:*:*:*:* Versions 2022.01 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2022.01:rc1:*:*:*:*:*:* Versions 2022.01 rc1 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2022.01:rc2:*:*:*:*:*:* Versions 2022.01 rc2 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2022.01:rc3:*:*:*:*:*:* Versions 2022.01 rc3 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2022.01:rc4:*:*:*:*:*:* Versions 2022.01 rc4 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2022.04:-:*:*:*:*:*:* Versions 2022.04 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2022.04:rc1:*:*:*:*:*:* Versions 2022.04 rc1 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2022.04:rc2:*:*:*:*:*:* Versions 2022.04 rc2 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2022.04:rc3:*:*:*:*:*:* Versions 2022.04 rc3 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2022.04:rc4:*:*:*:*:*:* Versions 2022.04 rc4 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2022.04:rc5:*:*:*:*:*:* Versions 2022.04 rc5 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2022.07:rc1:*:*:*:*:*:* Versions 2022.07 rc1 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2022.07:rc2:*:*:*:*:*:* Versions 2022.07 rc2 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2022.07:rc3:*:*:*:*:*:* Versions 2022.07 rc3 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2022.07:rc4:*:*:*:*:*:* Versions 2022.07 rc4 Vulnerable ·u-boot
- cpe:2.3:a:denx:u-boot:2022.07:rc5:*:*:*:*:*:* Versions 2022.07 rc5 Vulnerable ·u-boot
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-33967
- 2026-10-03 Alias added: GHSA-m6jw-rg4f-jw25
References
More DENX Software Engineering vulnerabilities
- TI-2026-12951 Out-of-bounds write in Das U-Boot CVSS 4.0CRITICAL 9.0
Sources
- CVE-2022-33967 · CVE Program
- CVE-2022-33967 · NVD
- FIRST EPSS
- GHSA-m6jw-rg4f-jw25 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences