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Status published
Unknown
CVE-2021-26396
Insufficient validation of address mapping to IO in ASP (AMD...
Vulnerability Description
Insufficient validation of address mapping to IO in ASP (AMD Secure Processor) may result in a loss of memory integrity in the SNP guest.
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.
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Affected Vendor
Affected Software
3rd Gen EPYC
Vulnerable Versions:
various
Timeline
Official Publish:
January 10th, 2023
Last Modified:
April 9th, 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.