Unrated severityNVD Advisory· Published May 9, 2023· Updated Jan 28, 2025
CVE-2021-26379
CVE-2021-26379
Description
Insufficient input validation of mailbox data in the SMU may allow an attacker to coerce the SMU to corrupt SMRAM, potentially leading to a loss of integrity and privilege escalation.
Affected products
3- AMD/2nd Gen AMD EPYC™v5Range: various
- AMD/3rd Gen AMD EPYC™v5Range: various
Patches
Vulnerability mechanics
References
1- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001mitrevendor-advisory
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