CVE-2021-26406

Insufficient validation in parsing Owner's
Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization)
and SEV-ES user application can lead to a host crash potentially resulting in
denial of service.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AMDCNA
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CVEADP
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CISA-ADPADP
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 36%
References
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001