by Kastro
Paper/Archive/CVE-2021-46762

CVE-2021-46762

AMD 2nd Gen AMD EPYC™ — Insufficient input validation in the SMU may allow an attacker to corrupt SMU SRAM potentially leading to a loss of integrity or denial o…

EPSS 0.3%CVSS 9.1
critical.is priorityof 100
33
CVSS 9.1 (NVD)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 28.6.286 × 205.7No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Insufficient input validation in the SMU may allow an attacker to corrupt SMU SRAM potentially leading to a loss of integrity or denial of service.

Affected

ProductAffectedFixed inSource
2nd Gen AMD EPYC™various–CNA
3rd Gen AMD EPYC™various–CNA
AMD EPYC™ Embedded 7002various–CNA
AMD EPYC™ Embedded 7003various–CNA

Scores by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
AMD (CNA)3.9CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

advisoryamd.com/en/corporate/product-security/bulletin/AMD-SB-3001advisoryamd.com/en/corporate/product-security/bulletin/AMD-SB-5001