CVE-2023-20528

Published: Jan 10, 2023

Modified: Apr 7, 2025

PUBLISHED

Description

Insufficient input validation in the SMU may allow a physical attacker to exfiltrate SMU memory contents over the I2C bus potentially leading to a loss of confidentiality.

Vendor	Product	Versions
AMD	2nd Gen EPYC	affected `various`
AMD	3rd Gen EPYC	affected `various`

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032

vendor-advisory

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CVE-2023-20528

Description

Affected Products

References