CVEvulnerability

CVE-2021-46744

6.5 MEDIUM Published 2022-05-11 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-05-11
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS 2.0 ([email protected])
2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-203

Description

An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time.

Affected configurations

• amd epyc 7001 firmware • amd epyc 7002 firmware • amd epyc 7003 firmware • amd epyc 7232p firmware • amd epyc 7251 firmware • amd epyc 7252 firmware • amd epyc 7261 firmware • amd epyc 7262 firmware • amd epyc 7272 firmware • amd epyc 7281 firmware • amd epyc 7282 firmware • amd epyc 7301 firmware • amd epyc 7302 firmware • amd epyc 7302p firmware • amd epyc 7313 firmware • amd epyc 7313p firmware • amd epyc 7343 firmware • amd epyc 7351 firmware • amd epyc 7351p firmware • amd epyc 7352 firmware • amd epyc 7371 firmware • amd epyc 7401 firmware • amd epyc 7401p firmware • amd epyc 7402 firmware • amd epyc 7402p firmware • amd epyc 7413 firmware • amd epyc 7443 firmware • amd epyc 7443p firmware • amd epyc 7451 firmware • amd epyc 7452 firmware • amd epyc 7453 firmware • amd epyc 7501 firmware • amd epyc 7502 firmware • amd epyc 7502p firmware • amd epyc 7513 firmware • amd epyc 7532 firmware • amd epyc 7542 firmware • amd epyc 7543 firmware • amd epyc 7543p firmware • amd epyc 7551 firmware • amd epyc 7551p firmware • amd epyc 7552 firmware • amd epyc 7601 firmware • amd epyc 7642 firmware • amd epyc 7643 firmware • amd epyc 7662 firmware • amd epyc 7663 firmware • amd epyc 7702 firmware • amd epyc 7702p firmware • amd epyc 7713 firmware • amd epyc 7713p firmware • amd epyc 7742 firmware • amd epyc 7763 firmware • amd epyc embedded 3101 firmware • amd epyc embedded 3151 firmware • amd epyc embedded 3201 firmware • amd epyc embedded 3251 firmware • amd epyc embedded 3255 firmware • amd epyc embedded 3351 firmware • amd epyc embedded 3451 firmware … and 39 more

Related

Weakness · CWE (1)

  • CWE-203 Observable Discrepancy weakness

References