CVE-2021-26408

Published: May 10, 2022Modified: Nov 21, 2024

7.1

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Exploitability: 1.8 / Impact: 5.2

Source: NVD

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.

Affected (38)

Products: Amd: Epyc 7002 Firmware, Epyc 7001 Firmware, Epyc 7232p Firmware, Epyc 7252 Firmware, Epyc 7262 Firmware, Epyc 7272 Firmware, Epyc 7282 Firmware, Epyc 7302 Firmware, Epyc 7302p Firmware, Epyc 7352 Firmware, Epyc 7402 Firmware, Epyc 7402p Firmware, Epyc 7452 Firmware, Epyc 7502 Firmware, Epyc 7502p Firmware, Epyc 7532 Firmware, Epyc 7542 Firmware, Epyc 7552 Firmware, Epyc 7642 Firmware, Epyc 7662 Firmware, Epyc 7702 Firmware, Epyc 7702p Firmware, Epyc 7742 Firmware, Epyc 7f32 Firmware, Epyc 7f52 Firmware, Epyc 7f72 Firmware, Epyc 7251 Firmware, Epyc 7281 Firmware, Epyc 7301 Firmware, Epyc 7351 Firmware, Epyc 7351p Firmware, Epyc 7401 Firmware, Epyc 7401p Firmware, Epyc 7451 Firmware, Epyc 7501 Firmware, Epyc 7551 Firmware, Epyc 7551p Firmware, Epyc 7601 Firmware

38 products

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7002 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7002	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7001 Firmware	Before naplespi-sp3_1.0.0.g

Running on/with	Platform Versions
Amd Epyc 7001	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7232p Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7232p	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7252 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7252	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7262 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7262	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7272 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7272	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7282 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7282	All versions

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7302 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7302	All versions

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7302p Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7302p	All versions

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7352 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7352	All versions

Configuration K

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7402 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7402	All versions

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7402p Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7402p	All versions

Configuration M

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7452 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7452	All versions

Configuration N

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7502 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7502	All versions

Configuration O

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7502p Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7502p	All versions

Configuration P

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7532 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7532	All versions

Configuration Q

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7542 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7542	All versions

Configuration R

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7552 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7552	All versions

Configuration S

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7642 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7642	All versions

Configuration T

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7662 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7662	All versions

Configuration U

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7702 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7702	All versions

Configuration V

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7702p Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7702p	All versions

Configuration W

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7742 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7742	All versions

Configuration X

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7f32 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7f32	All versions

Configuration Y

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7f52 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7f52	All versions

Configuration Z

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7f72 Firmware	Before romepi-sp3_1.0.0.c

Running on/with	Platform Versions
Amd Epyc 7f72	All versions

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7251 Firmware	Before naplespi-sp3_1.0.0.g

Running on/with	Platform Versions
Amd Epyc 7251	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7281 Firmware	Before naplespi-sp3_1.0.0.g

Running on/with	Platform Versions
Amd Epyc 7281	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7301 Firmware	Before naplespi-sp3_1.0.0.g

Running on/with	Platform Versions
Amd Epyc 7301	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7351 Firmware	Before naplespi-sp3_1.0.0.g

Running on/with	Platform Versions
Amd Epyc 7351	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7351p Firmware	Before naplespi-sp3_1.0.0.g

Running on/with	Platform Versions
Amd Epyc 7351p	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7401 Firmware	Before naplespi-sp3_1.0.0.g

Running on/with	Platform Versions
Amd Epyc 7401	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7401p Firmware	Before naplespi-sp3_1.0.0.g

Running on/with	Platform Versions
Amd Epyc 7401p	All versions

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7451 Firmware	Before naplespi-sp3_1.0.0.g

Running on/with	Platform Versions
Amd Epyc 7451	All versions

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7501 Firmware	Before naplespi-sp3_1.0.0.g

Running on/with	Platform Versions
Amd Epyc 7501	All versions

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7551 Firmware	Before naplespi-sp3_1.0.0.g

Running on/with	Platform Versions
Amd Epyc 7551	All versions

Configuration K

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7551p Firmware	Before naplespi-sp3_1.0.0.g

Running on/with	Platform Versions
Amd Epyc 7551p	All versions

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Epyc 7601 Firmware	Before naplespi-sp3_1.0.0.g

Running on/with	Platform Versions
Amd Epyc 7601	All versions

References (2)

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021

Source: psirt@amd.com

Vendor Advisory

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.