In Das U-Boot through 2022.07-rc5, an integer signedness error and resultant stack-based…
Priority MEDIUM 46CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- 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
In Das U-Boot through 2022.07-rc5, an integer signedness error and resultant stack-based buffer overflow in the "i2c md" command enables the corruption of the return address pointer of the do_i2c_md function.
Why it matters now
EPSS 0.023 83rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:* | before 2022.07 | 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:*:*:*:*:*:*:*:* Versions before 2022.07 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-2022-34835
- 2026-10-03 Alias added: GHSA-9gfq-p9vq-r563
References
More U-boot vulnerabilities
- TI-2022-02168 Unchecked Download size in Uboot CVSS 3.1HIGH 7.7
- TI-2025-28794 A lack of signature verification in the bootloader of DENX Software Engineering Das… CVSS 3.1MEDIUM 6.5
- TI-2020-06770 In Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c… CVSS 3.1CRITICAL 9.8
- TI-2022-12898 nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has… CVSS 3.1CRITICAL 9.8
- TI-2019-10569 An issue was discovered in Das U-Boot through 2019.07. CVSS 3.0CRITICAL 9.8
- TI-2019-10568 An issue was discovered in Das U-Boot through 2019.07. CVSS 3.0CRITICAL 9.8
Sources
- CVE-2022-34835 · CVE Program
- CVE-2022-34835 · NVD
- FIRST EPSS
- GHSA-9gfq-p9vq-r563 · 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