CVE-2021-26408

· HIGHModified

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CVSS v3.1

7.1

EPSS

0.26%

Published

May 10, 2022

Modified

Nov 21, 2024

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

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.

CVSS Vector

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

Affected Products (76)

amd · epyc_7002_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7002

amd · epyc_7001_firmware (up to naplespi-sp3_1.0.0.g)vulnerable

amd · epyc_7001

amd · epyc_7232p_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7232p

amd · epyc_7252_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7252

amd · epyc_7262_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7262

amd · epyc_7272_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7272

amd · epyc_7282_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7282

amd · epyc_7302_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7302

amd · epyc_7302p_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7302p

amd · epyc_7352_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7352

amd · epyc_7402_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7402

amd · epyc_7402p_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7402p

amd · epyc_7452_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7452

amd · epyc_7502_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7502

amd · epyc_7502p_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7502p

amd · epyc_7532_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7532

amd · epyc_7542_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7542

amd · epyc_7552_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7552

amd · epyc_7642_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7642

amd · epyc_7662_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7662

amd · epyc_7702_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7702

amd · epyc_7702p_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7702p

amd · epyc_7742_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7742

amd · epyc_7f32_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7f32

amd · epyc_7f52_firmware (up to romepi-sp3_1.0.0.c)vulnerable

amd · epyc_7f52

...and 26 more

References (2)

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

Vendor Advisory

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

Vendor Advisory

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