CVE-2021-46744
AMD AMD Processors
MEDIUM 6.5
At a glance
- Source
- NVD
- EPSS
- EPSS 0.33 % · percentile 27 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- AMD
- NVD status
- Modified
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.
Weaknesses (CWE)
- CWE-203 — Observable Discrepancy
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | LOW 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-33400
- GCVE · GCVE-0-2021-46744
CERT-FR advisories
- CERTFR-2022-AVI-519 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2022-AVI-497 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2022-AVI-480 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:amd:epyc_7001_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7002_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7003_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7232p_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7251_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7252_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7261_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7262_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7272_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7281_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7282_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7301_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7302_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7302p_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7313_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7313p_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7343_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7351_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7351p_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7352_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7371_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7401_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7401p_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7402_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7402p_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7413_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7443_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7443p_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7451_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7452_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7453_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7501_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7502_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7502p_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7513_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7532_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7542_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7543_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7543p_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:amd:epyc_7551_firmware:-:*:*:*:*:*:*:*- +59 more
Affected products
| Product | Versions |
|---|---|
| AMD · AMD Processors | affected Processor EPYC |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |