Vulnerability Description
Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.
CVSS Score
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Amd | Epyc 7232P Firmware | < romepi-sp3_1.0.0.c |
| Amd | Epyc 7232P | - |
| Amd | Epyc 7763 Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 7763 | - |
| Amd | Epyc 7713P Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 7713P | - |
| Amd | Epyc 7713 Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 7713 | - |
| Amd | Epyc 7663 Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 7663 | - |
| Amd | Epyc 7643 Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 7643 | - |
| Amd | Epyc 75F3 Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 75F3 | - |
| Amd | Epyc 7543P Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 7543P | - |
| Amd | Epyc 7543 Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 7543 | - |
| Amd | Epyc 7513 Firmware | < milanpi-sp3_1.0.0.4 |
| Amd | Epyc 7513 | - |
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-2021-26326?
CVE-2021-26326 is a vulnerability with a CVSS score of 7.8 (HIGH). Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.
How severe is CVE-2021-26326?
CVE-2021-26326 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-2021-26326?
Check the references section above for vendor advisories and patch information. Affected products include: Amd Epyc 7232P Firmware, Amd Epyc 7232P, Amd Epyc 7763 Firmware, Amd Epyc 7763, Amd Epyc 7713P Firmware.