nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has…
Priority MEDIUM 47CWE-120Published · 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-120 and the CVSS impact.
Summary
nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a failed length check, leading to a buffer overflow. NOTE: this issue exists because of an incorrect fix for CVE-2019-14196.
Why it matters now
EPSS 0.02731 86th 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:* | up to 2022.04 | 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:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | 36 | Vulnerable | Fedoraproject |
- cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:* Versions up to 2022.04 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:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-30767
- 2026-10-03 Alias added: GHSA-27g3-5ffj-8mw8
References
Patch 2
Sources
- CVE-2022-30767 · CVE Program
- CVE-2022-30767 · NVD
- FIRST EPSS
- GHSA-27g3-5ffj-8mw8 · 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