CVE-2021-26315

2021-11-0900:00:00

CWE-345

AMD

www.cve.org

7.9 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.8%

JSON

When the AMD Platform Security Processor (PSP) boot rom loads, authenticates, and subsequently decrypts an encrypted FW, due to insufficient verification of the integrity of decrypted image, arbitrary code may be executed in the PSP when encrypted firmware images are used.

CNA Affected

[
  {
    "product": "3rd Gen AMD EPYC™",
    "vendor": "AMD",
    "versions": [
      {
        "lessThan": "MilanPI-SP3_1.0.0.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

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