Vulnerability Description
Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP.
CVSS Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Amd | Epyc 7601 Firmware | < naplespi-sp3_1.0.0.g |
| Amd | Epyc 7601 | - |
| Amd | Epyc 7551P Firmware | < naplespi-sp3_1.0.0.g |
| Amd | Epyc 7551P | - |
| Amd | Epyc 7551 Firmware | < naplespi-sp3_1.0.0.g |
| Amd | Epyc 7551 | - |
| Amd | Epyc 7501 Firmware | < naplespi-sp3_1.0.0.g |
| Amd | Epyc 7501 | - |
| Amd | Epyc 7451 Firmware | < naplespi-sp3_1.0.0.g |
| Amd | Epyc 7451 | - |
| Amd | Epyc 7401 Firmware | < naplespi-sp3_1.0.0.g |
| Amd | Epyc 7401 | - |
| Amd | Epyc 7371 Firmware | < naplespi-sp3_1.0.0.g |
| Amd | Epyc 7371 | - |
| Amd | Epyc 7351P Firmware | < naplespi-sp3_1.0.0.g |
| Amd | Epyc 7351P | - |
| Amd | Epyc 7351 Firmware | < naplespi-sp3_1.0.0.g |
| Amd | Epyc 7351 | - |
| Amd | Epyc 7301 Firmware | < naplespi-sp3_1.0.0.g |
| Amd | Epyc 7301 | - |
Related Weaknesses (CWE)
References
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021Vendor Advisory
FAQ
What is CVE-2021-26321?
CVE-2021-26321 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP.
How severe is CVE-2021-26321?
CVE-2021-26321 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-26321?
Check the references section above for vendor advisories and patch information. Affected products include: Amd Epyc 7601 Firmware, Amd Epyc 7601, Amd Epyc 7551P Firmware, Amd Epyc 7551P, Amd Epyc 7551 Firmware.