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CVE-2021-26370

Published: May 10, 2022

Modified: Sep 16, 2024

PUBLISHED

Description

Improper validation of destination address in SVC_LOAD_FW_IMAGE_BY_INSTANCE and SVC_LOAD_BINARY_BY_ATTRIB in a malicious UApp or ABL may allow an attacker to overwrite arbitrary bootloader memory with SPI ROM contents resulting in a loss of integrity and availability.

Vendor	Product	Versions
AMD	2nd Gen AMD EPYC™	affected `unspecified - < RomePI-SP3_1.0.0.C`
AMD	3rd Gen AMD EPYC™	affected `unspecified - < MilanPI-SP3_1.0.0.4`

Weaknesses (CWE)

References

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021

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