CVE-2021-26403
Medium
Description
Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM confidentiality.
SeverityMedium
CVSS6.5
Exploit probability—
ProductAmd Epyc 7001 Firmware
PublishedJan 11, 2023
First seenJan 11, 2023
Weakness typeCWE-345CWE-345
How to fix
Update
- amd epyc_7001_firmwarenaplespi_1.0.0.e or later
- amd epyc_7251_firmwarenaplespi_1.0.0.e or later
- amd epyc_7261_firmwarenaplespi_1.0.0.e or later
- amd epyc_7281_firmwarenaplespi_1.0.0.e or later
- amd epyc_7301_firmwarenaplespi_1.0.0.e or later
- amd epyc_7351_firmwarenaplespi_1.0.0.e or later
- amd epyc_7351p_firmwarenaplespi_1.0.0.e or later
- amd epyc_7371_firmwarenaplespi_1.0.0.e or later
- amd epyc_7401_firmwarenaplespi_1.0.0.e or later
- amd epyc_7401p_firmwarenaplespi_1.0.0.e or later
- amd epyc_7451_firmwarenaplespi_1.0.0.e or later
- amd epyc_7501_firmwarenaplespi_1.0.0.e or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| amd epyc_7001_firmware | v < naplespi_1.0.0.e | naplespi_1.0.0.e |
| amd epyc_7251_firmware | v < naplespi_1.0.0.e | naplespi_1.0.0.e |
| amd epyc_7261_firmware | v < naplespi_1.0.0.e | naplespi_1.0.0.e |
| amd epyc_7281_firmware | v < naplespi_1.0.0.e | naplespi_1.0.0.e |
| amd epyc_7301_firmware | v < naplespi_1.0.0.e | naplespi_1.0.0.e |
| amd epyc_7351_firmware | v < naplespi_1.0.0.e | naplespi_1.0.0.e |
| amd epyc_7351p_firmware | v < naplespi_1.0.0.e | naplespi_1.0.0.e |
| amd epyc_7371_firmware | v < naplespi_1.0.0.e | naplespi_1.0.0.e |
| amd epyc_7401_firmware | v < naplespi_1.0.0.e | naplespi_1.0.0.e |
| amd epyc_7401p_firmware | v < naplespi_1.0.0.e | naplespi_1.0.0.e |
| amd epyc_7451_firmware | v < naplespi_1.0.0.e | naplespi_1.0.0.e |
| amd epyc_7501_firmware | v < naplespi_1.0.0.e | naplespi_1.0.0.e |
| amd epyc_7551_firmware | v < naplespi_1.0.0.e | naplespi_1.0.0.e |
| amd epyc_7551p_firmware | v < naplespi_1.0.0.e | naplespi_1.0.0.e |
| amd epyc_7601_firmware | v < naplespi_1.0.0.e | naplespi_1.0.0.e |
| amd epyc_7002_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7232p_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7252_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7262_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7272_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7282_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7302_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7302p_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7352_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7402_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7402p_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7452_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7502_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7502p_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7532_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7542_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7552_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7642_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7662_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7702_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7702p_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7742_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7f32_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7f52_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7f72_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
| amd epyc_7h12_firmware | v < romepi_1.0.0.9 | romepi_1.0.0.9 |
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