CVE-2021-27138 - OpenCVE

The boot loader in Das U-Boot before 2021.04-rc2 mishandles use of unit addresses in a FIT.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

AV:N/AC:M/Au:N/C:P/I:P/A:P

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Denx	U-boot

Configuration 1 [-]

OR	cpe:2.3:a:denx:u-boot::::::::
	cpe:2.3:a:denx:u-boot:2021.04:rc1::::::

No data.

References

Link	Providers
https://github.com/u-boot/u-boot/commit/3f04db891a353f4b127ed57279279f851c6b4917
https://github.com/u-boot/u-boot/commit/79af75f7776fc20b0d7eb6afe1e27c00fdb4b9b4
https://github.com/u-boot/u-boot/commit/b6f4c757959f8850e1299a77c8e5713da78e8ec0
https://lists.debian.org/debian-lts-announce/2025/09/msg00037.html

History

Mon, 03 Nov 2025 19:30:00 +0000

Type	Values Removed	Values Added
References		https://lists.debian.org/debian-lts-announce/2025/09/msg00037.html

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-02-17T22:36:52.000Z

Updated: 2025-11-03T18:07:59.724Z

Reserved: 2021-02-10T00:00:00.000Z

Link: CVE-2021-27138

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-02-17T23:15:13.717

Modified: 2025-11-03T19:15:40.210

Link: CVE-2021-27138

Redhat

No data.

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