Vulnerability Description
Improper input and range checking in the AMD Secure Processor (ASP) boot loader image header may allow an attacker to use attacker-controlled values prior to signature validation potentially resulting in arbitrary code execution.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Amd | Epyc 7003 Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 7003 | - |
| Amd | Epyc 7002 Firmware | < romepi-sp3_1.0.0.c |
| Amd | Epyc 7002 | - |
| Amd | Epyc 7001 Firmware | < naplespi-sp3_1.0.0.g |
| Amd | Epyc 7001 | - |
| Amd | Epyc 72F3 Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 72F3 | - |
| Amd | Epyc 7313 Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 7313 | - |
| Amd | Epyc 7313P Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 7313P | - |
| Amd | Epyc 7343 Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 7343 | - |
| Amd | Epyc 73F3 Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 73F3 | - |
| Amd | Epyc 7413 Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 7413 | - |
| Amd | Epyc 7443 Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 7443 | - |
References
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027
FAQ
What is CVE-2021-26335?
CVE-2021-26335 is a vulnerability with a CVSS score of 7.8 (HIGH). Improper input and range checking in the AMD Secure Processor (ASP) boot loader image header may allow an attacker to use attacker-controlled values prior to signature validation potentially resulting...
How severe is CVE-2021-26335?
CVE-2021-26335 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-26335?
Check the references section above for vendor advisories and patch information. Affected products include: Amd Epyc 7003 Firmware, Amd Epyc 7003, Amd Epyc 7002 Firmware, Amd Epyc 7002, Amd Epyc 7001 Firmware.