CVEvulnerability

CVE-2021-26408

7.1 HIGH Published 2022-05-10 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-05-10
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.1 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS 2.0 ([email protected])
6.6 MEDIUM — AV:L/AC:L/Au:N/C:C/I:C/A:N

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 configurations

• amd epyc 7002 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7001 firmware (< naplespi-sp3 1.0.0.g) • amd epyc 7232p firmware (< romepi-sp3 1.0.0.c) • amd epyc 7252 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7262 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7272 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7282 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7302 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7302p firmware (< romepi-sp3 1.0.0.c) • amd epyc 7352 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7402 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7402p firmware (< romepi-sp3 1.0.0.c) • amd epyc 7452 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7502 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7502p firmware (< romepi-sp3 1.0.0.c) • amd epyc 7532 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7542 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7552 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7642 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7662 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7702 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7702p firmware (< romepi-sp3 1.0.0.c) • amd epyc 7742 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7f32 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7f52 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7f72 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7251 firmware (< naplespi-sp3 1.0.0.g) • amd epyc 7281 firmware (< naplespi-sp3 1.0.0.g) • amd epyc 7301 firmware (< naplespi-sp3 1.0.0.g) • amd epyc 7351 firmware (< naplespi-sp3 1.0.0.g) • amd epyc 7351p firmware (< naplespi-sp3 1.0.0.g) • amd epyc 7401 firmware (< naplespi-sp3 1.0.0.g) • amd epyc 7401p firmware (< naplespi-sp3 1.0.0.g) • amd epyc 7451 firmware (< naplespi-sp3 1.0.0.g) • amd epyc 7501 firmware (< naplespi-sp3 1.0.0.g) • amd epyc 7551 firmware (< naplespi-sp3 1.0.0.g) • amd epyc 7551p firmware (< naplespi-sp3 1.0.0.g) • amd epyc 7601 firmware (< naplespi-sp3 1.0.0.g)

References