Description
Insufficient boundary validation in the USB boot mode implementation of AMD Zynq™ UltraScale+ MPSoC and RFSoC devices could allow unbounded Device Firmware Upgrade (DFU) download requests to overflow the DDR receive buffer into FSBL memory, potentially resulting in unauthorized code execution during the boot process. This issue could impact the confidentiality, integrity, or availability of affected system.
Published: 2026-10-05
Score: 7.5 High
EPSS: n/a
KEV: No
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Remediation

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Tracking

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History

Mon, 05 Oct 2026 22:45:00 +0000

Type Values Removed Values Added
Title USB Boot Mode Buffer Overflow in AMD Zynq UltraScale+ MPSoCs and RFSoCs

Mon, 05 Oct 2026 21:45:00 +0000

Type Values Removed Values Added
Description Insufficient boundary validation in the USB boot mode implementation of AMD Zynq™ UltraScale+ MPSoC and RFSoC devices could allow unbounded Device Firmware Upgrade (DFU) download requests to overflow the DDR receive buffer into FSBL memory, potentially resulting in unauthorized code execution during the boot process. This issue could impact the confidentiality, integrity, or availability of affected system.
Weaknesses CWE-787
References
Metrics cvssV4_0

{'score': 7.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2026-10-05T21:38:01.104Z

Reserved: 2025-12-06T15:11:19.042Z

Link: CVE-2026-0461

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-05T22:16:55.280

Modified: 2026-10-05T22:16:55.280

Link: CVE-2026-0461

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-05T22:30:19Z

Weaknesses