CVE-2026-0461 Memory corruption in Kria SOMs
Attackers can execute unauthorized code during boot via buffer overflow in USB DFU handling on AMD Zynq devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0461?
CVE-2026-0461 is a high-severity memory corruption vulnerability in AMD Kria SOMs, published on 5 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2026-0461?
How do I fix CVE-2026-0461?
No fix has been published for CVE-2026-0461 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-0461 being exploited?
There is no known exploitation of CVE-2026-0461 in the wild and no public exploit code.
Sources
Also known as GHSA-2xg6-gqcc-77jw.