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CVE-2021-46794

HIGH CVSS: 7.5 Published: 2023-05-09 Modified: 2026-06-17

Description

Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum calculation triggering a data abort, resulting in a potential denial of service.

Affected Platforms

Amd Ryzen 3600X FirmwareAmd Ryzen 3900Amd Ryzen 5600GAmd Ryzen 5945Wx FirmwareAmd Ryzen 2700 FirmwareAmd Ryzen 3500Amd Ryzen 2970WxAmd Ryzen 2500X FirmwareAmd Ryzen 2400GAmd Ryzen 5900 Firmware

Weakness Type

CWE-125, CWE-125

References