Vulnerability Description
Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Amd | Epyc 7763 Firmware | < milanpi-sp3_1.0.0.7 |
| Amd | Epyc 7763 | - |
| Amd | Epyc 7713P Firmware | < milanpi-sp3_1.0.0.7 |
| Amd | Epyc 7713P | - |
| Amd | Epyc 7713 Firmware | < milanpi-sp3_1.0.0.7 |
| Amd | Epyc 7713 | - |
| Amd | Epyc 7663 Firmware | < milanpi-sp3_1.0.0.7 |
| Amd | Epyc 7663 | - |
| Amd | Epyc 7643 Firmware | < milanpi-sp3_1.0.0.7 |
| Amd | Epyc 7643 | - |
| Amd | Epyc 75F3 Firmware | < milanpi-sp3_1.0.0.7 |
| Amd | Epyc 75F3 | - |
| Amd | Epyc 7543P Firmware | < milanpi-sp3_1.0.0.7 |
| Amd | Epyc 7543P | - |
| Amd | Epyc 7543 Firmware | < milanpi-sp3_1.0.0.7 |
| Amd | Epyc 7543 | - |
| Amd | Epyc 7513 Firmware | < milanpi-sp3_1.0.0.7 |
| Amd | Epyc 7513 | - |
| Amd | Epyc 7453 Firmware | < milanpi-sp3_1.0.0.7 |
| Amd | Epyc 7453 | - |
References
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028Vendor Advisory
FAQ
What is CVE-2021-26348?
CVE-2021-26348 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential los...
How severe is CVE-2021-26348?
CVE-2021-26348 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-2021-26348?
Check the references section above for vendor advisories and patch information. Affected products include: Amd Epyc 7763 Firmware, Amd Epyc 7763, Amd Epyc 7713P Firmware, Amd Epyc 7713P, Amd Epyc 7713 Firmware.