Advisory Published
Updated

CVE-2021-26403

First published: Wed Jan 11 2023(Updated: )

Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM confidentiality.

Credit: psirt@amd.com

Affected SoftwareAffected VersionHow to fix
Amd Epyc 7001 Firmware<naplespi_1.0.0.e
Amd Epyc 7001
Amd Epyc 7251 Firmware<naplespi_1.0.0.e
Amd Epyc 7251
Amd Epyc 7261 Firmware<naplespi_1.0.0.e
Amd Epyc 7261
Amd Epyc 7281 Firmware<naplespi_1.0.0.e
Amd Epyc 7281
Amd Epyc 7301 Firmware<naplespi_1.0.0.e
Amd Epyc 7301
Amd Epyc 7351 Firmware<naplespi_1.0.0.e
Amd Epyc 7351
Amd Epyc 7351p Firmware<naplespi_1.0.0.e
Amd Epyc 7351p
Amd Epyc 7371 Firmware<naplespi_1.0.0.e
Amd Epyc 7371
Amd Epyc 7401 Firmware<naplespi_1.0.0.e
Amd Epyc 7401
Amd Epyc 7401p Firmware<naplespi_1.0.0.e
Amd Epyc 7401p
Amd Epyc 7451 Firmware<naplespi_1.0.0.e
Amd Epyc 7451
Amd Epyc 7501 Firmware<naplespi_1.0.0.e
Amd Epyc 7501
Amd Epyc 7551 Firmware<naplespi_1.0.0.e
Amd Epyc 7551
Amd Epyc 7551p Firmware<naplespi_1.0.0.e
Amd Epyc 7551p
Amd Epyc 7601 Firmware<naplespi_1.0.0.e
Amd Epyc 7601
Amd Epyc 7002 Firmware<romepi_1.0.0.9
Amd Epyc 7002
Amd Epyc 7232p Firmware<romepi_1.0.0.9
Amd Epyc 7232p
Amd Epyc 7252 Firmware<romepi_1.0.0.9
Amd Epyc 7252
Amd Epyc 7262 Firmware<romepi_1.0.0.9
Amd Epyc 7262
Amd Epyc 7272 Firmware<romepi_1.0.0.9
Amd Epyc 7272
Amd Epyc 7282 Firmware<romepi_1.0.0.9
Amd Epyc 7282
Amd Epyc 7302 Firmware<romepi_1.0.0.9
Amd Epyc 7302
Amd Epyc 7302p Firmware<romepi_1.0.0.9
Amd Epyc 7302p
Amd Epyc 7352 Firmware<romepi_1.0.0.9
Amd Epyc 7352
Amd Epyc 7402 Firmware<romepi_1.0.0.9
Amd Epyc 7402
Amd Epyc 7402p Firmware<romepi_1.0.0.9
Amd Epyc 7402p
Amd Epyc 7452 Firmware<romepi_1.0.0.9
Amd Epyc 7452
Amd Epyc 7502 Firmware<romepi_1.0.0.9
Amd Epyc 7502
Amd Epyc 7502p Firmware<romepi_1.0.0.9
Amd Epyc 7502p
Amd Epyc 7532 Firmware<romepi_1.0.0.9
Amd Epyc 7532
Amd Epyc 7542 Firmware<romepi_1.0.0.9
Amd Epyc 7542
Amd Epyc 7552 Firmware<romepi_1.0.0.9
Amd Epyc 7552
Amd Epyc 7642 Firmware<romepi_1.0.0.9
Amd Epyc 7642
Amd Epyc 7662 Firmware<romepi_1.0.0.9
Amd Epyc 7662
Amd Epyc 7702 Firmware<romepi_1.0.0.9
Amd Epyc 7702
Amd Epyc 7702p Firmware<romepi_1.0.0.9
Amd Epyc 7702p
Amd Epyc 7742 Firmware<romepi_1.0.0.9
Amd Epyc 7742
Amd Epyc 7f32 Firmware<romepi_1.0.0.9
Amd Epyc 7f32
Amd Epyc 7f52 Firmware<romepi_1.0.0.9
Amd Epyc 7f52
Amd Epyc 7f72 Firmware<romepi_1.0.0.9
Amd Epyc 7f72
Amd Epyc 7h12 Firmware<romepi_1.0.0.9
Amd Epyc 7h12

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