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Vulnerability record · CVE-2021-26388 · published 11 May 2022

CVE-2021-26388: Amd epyc 7232p firmware out-of-bounds read vulnerability

AAmd · Epyc 7232p Firmware

Improper validation of the BIOS directory may allow for searches to read beyond the directory table copy in RAM, exposing out of bounds memory contents, resulting in a potential denial of service.

5.5 CVSS 3.1 Medium EPSS 0.22% · top 88.7% CWE-125 · Out-of-bounds read
5.5CVSS 3.1 base score, v2 4.9
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
106Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Improper validation of the BIOS directory may allow for searches to read beyond the directory table copy in RAM, exposing out of bounds memory contents, resulting in a potential denial of service.

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

Affected products

106 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-1028 Vendor Advisory
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-1028 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-2021-26388), CISA KEV, FIRST EPSS (scores of 2026-09-30). This page is refreshed as NVD updates the record.