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NVD Vulnerability Details :
CVE-2022-2347
Modified
More InfoOfficial Page
Source-cve-coordination@google.com
View Known Exploited Vulnerability (KEV) details
Published At-23 Sep, 2022 | 13:15
Updated At-12 May, 2026 | 10:16

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.7HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Primary3.17.1HIGH
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 7.7
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 7.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CPE Matches
denx
denx
>>u-boot>>Versions from 2012.10(inclusive) to 2022.07(inclusive)
cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-122Secondarycve-coordination@google.com
CWE-787Primarynvd@nist.gov
CWE ID: CWE-122
Type: Secondary
Source: cve-coordination@google.com
CWE ID: CWE-787
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://seclists.org/oss-sec/2022/q3/41cve-coordination@google.com
Exploit
Mailing List
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/05/msg00001.htmlaf854a3a-2127-422b-91ae-364da2661108
N/A
https://seclists.org/oss-sec/2022/q3/41af854a3a-2127-422b-91ae-364da2661108
Exploit
Mailing List
Third Party Advisory
https://cert-portal.siemens.com/productcert/html/ssa-577017.html0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
N/A
Hyperlink: https://seclists.org/oss-sec/2022/q3/41
Source: cve-coordination@google.com
Resource:
Exploit
Mailing List
Third Party Advisory
Hyperlink: https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: https://seclists.org/oss-sec/2022/q3/41
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Mailing List
Third Party Advisory
Hyperlink: https://cert-portal.siemens.com/productcert/html/ssa-577017.html
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Resource: N/A
Change History
0Changes found
Details not found