CVE-2021-26408
High
Description
Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration potentially resulting in loss of guest's integrity or confidentiality.
SeverityHigh
CVSS7.1
Exploit probability—
ProductAmd Epyc 7002 Firmware
PublishedMay 10, 2022
First seenMay 10, 2022
How to fix
Update
- amd epyc_7002_firmwareromepi-sp3_1.0.0.c or later
- amd epyc_7001_firmwarenaplespi-sp3_1.0.0.g or later
- amd epyc_7232p_firmwareromepi-sp3_1.0.0.c or later
- amd epyc_7252_firmwareromepi-sp3_1.0.0.c or later
- amd epyc_7262_firmwareromepi-sp3_1.0.0.c or later
- amd epyc_7272_firmwareromepi-sp3_1.0.0.c or later
- amd epyc_7282_firmwareromepi-sp3_1.0.0.c or later
- amd epyc_7302_firmwareromepi-sp3_1.0.0.c or later
- amd epyc_7302p_firmwareromepi-sp3_1.0.0.c or later
- amd epyc_7352_firmwareromepi-sp3_1.0.0.c or later
- amd epyc_7402_firmwareromepi-sp3_1.0.0.c or later
- amd epyc_7402p_firmwareromepi-sp3_1.0.0.c or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| amd epyc_7002_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7001_firmware | v < naplespi-sp3_1.0.0.g | naplespi-sp3_1.0.0.g |
| amd epyc_7232p_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7252_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7262_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7272_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7282_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7302_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7302p_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7352_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7402_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7402p_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7452_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7502_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7502p_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7532_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7542_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7552_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7642_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7662_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7702_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7702p_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7742_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7f32_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7f52_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7f72_firmware | v < romepi-sp3_1.0.0.c | romepi-sp3_1.0.0.c |
| amd epyc_7251_firmware | v < naplespi-sp3_1.0.0.g | naplespi-sp3_1.0.0.g |
| amd epyc_7281_firmware | v < naplespi-sp3_1.0.0.g | naplespi-sp3_1.0.0.g |
| amd epyc_7301_firmware | v < naplespi-sp3_1.0.0.g | naplespi-sp3_1.0.0.g |
| amd epyc_7351_firmware | v < naplespi-sp3_1.0.0.g | naplespi-sp3_1.0.0.g |
| amd epyc_7351p_firmware | v < naplespi-sp3_1.0.0.g | naplespi-sp3_1.0.0.g |
| amd epyc_7401_firmware | v < naplespi-sp3_1.0.0.g | naplespi-sp3_1.0.0.g |
| amd epyc_7401p_firmware | v < naplespi-sp3_1.0.0.g | naplespi-sp3_1.0.0.g |
| amd epyc_7451_firmware | v < naplespi-sp3_1.0.0.g | naplespi-sp3_1.0.0.g |
| amd epyc_7501_firmware | v < naplespi-sp3_1.0.0.g | naplespi-sp3_1.0.0.g |
| amd epyc_7551_firmware | v < naplespi-sp3_1.0.0.g | naplespi-sp3_1.0.0.g |
| amd epyc_7551p_firmware | v < naplespi-sp3_1.0.0.g | naplespi-sp3_1.0.0.g |
| amd epyc_7601_firmware | v < naplespi-sp3_1.0.0.g | naplespi-sp3_1.0.0.g |
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