CVE-2026-0461 — AMD / Zynq™ UltraScale+ MPSoCs

CVE-2026-0461

AMD / Zynq™ UltraScale+ MPSoCs PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
AMD / Zynq™ UltraScale+ MPSoCs	unaffected 2026.1
AMD / Zynq™ UltraScale+ RFSoCs	unaffected 2026.1
AMD / Kria SOMs	unaffected 2026.1

CWE

CWE-787

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-8029.html

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.