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Vulnerability record · CVE-2021-26329 · published 16 November 2021

CVE-2021-26329: Amd epyc 7601 firmware integer overflow vulnerability

AAmd · Epyc 7601 Firmware

AMD System Management Unit (SMU) may experience an integer overflow when an invalid length is provided which may result in a potential loss of resources.

5.5 CVSS 3.1 Medium EPSS 0.22% · top 88.7% CWE-130 · CWE-130CWE-190 · Integer overflow
5.5CVSS 3.1 base score, v2 2.1
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
57Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

AMD System Management Unit (SMU) may experience an integer overflow when an invalid length is provided which may result in a potential loss of resources.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

57 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-26329), CISA KEV, FIRST EPSS (scores of 2026-10-11). This page is refreshed as NVD updates the record.