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CVE Vulnerability Details :
CVE-2024-21953
PUBLISHED
More InfoOfficial Page
Assigner-AMD
Assigner Org ID-b58fc414-a1e4-4f92-9d70-1add41838648
View Known Exploited Vulnerability (KEV) details
Published At-10 Feb, 2026 | 19:11
Updated At-10 Feb, 2026 | 21:00
Rejected At-
▼CVE Numbering Authority (CNA)

Improper input validation in IOMMU could allow a malicious hypervisor to reconfigure IOMMU registers resulting in loss of guest data integrity.

Affected Products
Vendor
Advanced Micro Devices, Inc.AMD
Product
AMD EPYC™ 9004 Series Processors
Default Status
affected
Versions
Unaffected
  • GenoaPI 1.0.0.F
Vendor
Advanced Micro Devices, Inc.AMD
Product
AMD EPYC™ 8004 Series Processors
Default Status
affected
Versions
Unaffected
  • GenoaPI 1.0.0.F
Vendor
Advanced Micro Devices, Inc.AMD
Product
AMD EPYC™ Embedded 9004 Series Processors
Default Status
affected
Versions
Unaffected
  • EmbGenoaPI-SP5 1.0.0.B
Problem Types
TypeCWE IDDescription
CWECWE-1284CWE-1284 Improper Validation of Specified Quantity in Input
Type: CWE
CWE ID: CWE-1284
Description: CWE-1284 Improper Validation of Specified Quantity in Input
Metrics
VersionBase scoreBase severityVector
4.05.9MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N
Version: 4.0
Base score: 5.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html
N/A
https://www.amd.com/en/resources/product-security/bulletin/Emb-Auto.html
N/A
Hyperlink: https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html
Resource: N/A
Hyperlink: https://www.amd.com/en/resources/product-security/bulletin/Emb-Auto.html
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found