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Vulnerability record · CVE-2021-26352 · published 10 May 2022

CVE-2021-26352: Amd ryzen 5 2600 firmware memory buffer overflow vulnerability

AAmd · Ryzen 5 2600 Firmware

Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/updates from/to invalid address space that could result in denial of service.

5.5 CVSS 3.1 Medium EPSS 0.22% · top 87.9% CWE-119 · Memory buffer overflow
5.5CVSS 3.1 base score, v2 4.9
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
30Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/updates from/to invalid address space that could result in denial of service.

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

Affected products

30 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-1027 Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027 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-2021-26352), CISA KEV, FIRST EPSS (scores of 2026-10-11). This page is refreshed as NVD updates the record.