CVE-2021-26396
Medium
Description
Insufficient validation of address mapping to IO in ASP (AMD Secure Processor) may result in a loss of memory integrity in the SNP guest.
SeverityMedium
CVSS4.4
Exploit probability—
ProductAmd Epyc 7003 Firmware
PublishedJan 11, 2023
First seenJan 11, 2023
Weakness typeCWE-345CWE-345
How to fix
Update
- amd epyc_7003_firmwaremilanpi-sp3_1.0.0.9 or later
- amd epyc_72f3_firmwaremilanpi-sp3_1.0.0.9 or later
- amd epyc_7313_firmwaremilanpi-sp3_1.0.0.9 or later
- amd epyc_7313p_firmwaremilanpi-sp3_1.0.0.9 or later
- amd epyc_7343_firmwaremilanpi-sp3_1.0.0.9 or later
- amd epyc_7373x_firmwaremilanpi-sp3_1.0.0.9 or later
- amd epyc_73f3_firmwaremilanpi-sp3_1.0.0.9 or later
- amd epyc_7413_firmwaremilanpi-sp3_1.0.0.9 or later
- amd epyc_7443_firmwaremilanpi-sp3_1.0.0.9 or later
- amd epyc_7443p_firmwaremilanpi-sp3_1.0.0.9 or later
- amd epyc_7453_firmwaremilanpi-sp3_1.0.0.9 or later
- amd epyc_74f3_firmwaremilanpi-sp3_1.0.0.9 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| amd epyc_7003_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_72f3_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7313_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7313p_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7343_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7373x_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_73f3_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7413_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7443_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7443p_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7453_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_74f3_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7513_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7543_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7543p_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7573x_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_75f3_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7643_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7663_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7713_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7713p_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7743_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7763_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
| amd epyc_7773x_firmware | v < milanpi-sp3_1.0.0.9 | milanpi-sp3_1.0.0.9 |
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