TI-2022-02168 Aliases CVE-2022-2347 GHSA-57ww-qgjv-3g3c

Unchecked Download size in Uboot

HIGH 69CWE-122Published 2022-09-23 · Updated 2026-05-12

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: High
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.

Summary

There exists an unchecked length field in UBoot. The U-Boot DFU implementation does not bound the length field in USB DFU download setup packets, and it does not verify that the transfer direction corresponds to the specified command. Consequently, if a physical attacker crafts a USB DFU download setup packet with a `wLength` greater than 4096 bytes, they can write beyond the heap-allocated request buffer.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00577 47th 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

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Uboot	Uboot	up to 2022.07	—	No fix listed	CNA

Uboot VendorUboot Affected up to 2022.07 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:denx:u-boot::::::::	2012.10 – 2022.07	Vulnerable	u-boot

cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:* Versions 2012.10 – 2022.07 Vulnerable ·u-boot

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2022-2347
2026-10-03 Alias added: GHSA-57ww-qgjv-3g3c

References

Exploit 1

https://seclists.org/oss-sec/2022/q3/41

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
TI-2019-10567 An issue was discovered in Das U-Boot through 2019.07. CVSS 3.0CRITICAL 9.8

See all 48 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences