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Status published
Unknown
CVE-2021-26406
Insufficient validation in parsing Owner's Certificate Authority (OCA) certificates in SEV...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Affected Software
Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4, Ryzen™ 2000 Series Desktop Processors “Pinnacle Ridge”, Ryzen™ 3000 Series Desktop Processors “Matisse” AM4, AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4, 2nd Gen AMD Ryzen™ Threadripper™ Processors “Colfax”, 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT, Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS, Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP, Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”, Ryzen™ 2000 Series Mobile Processors “Raven Ridge” FP5, Ryzen™ 3000 Series Mobile processor, 2nd Gen AMD Ryzen™ Mobile Processors with Radeon™ Graphics “Picasso”, 1st Gen AMD EPYC™ Processors, 2nd Gen AMD EPYC™ Processors
Vulnerable Versions:
various , various
Timeline
Official Publish:
May 9th, 2023
Last Modified:
January 28th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.