CVE-2024-21963

UNKNOWN 0.0

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

An out-of-bounds read vulnerability in the IOMMU could allow a malicious guest to corrupt hypervisor (HV) pages and potentially cause a host crash leading to loss of availability.

CWE	CWE-125
Vendor	amd
Product	amd epyc™ 7003 series processors
Published	Nov 12, 2026
Last Updated	Nov 13, 2026

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Affected Versions

AMD / AMD EPYC™ 7003 Series Processors

All versions affected

AMD / AMD EPYC™ 7002 Series Processors

All versions affected

AMD / AMD EPYC™ 9004 Series Processors

All versions affected

AMD / AMD EPYC™ 7001 Series Processors

All versions affected

AMD / AMD EPYC™ 4004 Series Processors

All versions affected

AMD / AMD EPYC™ 9005 Series Processors

All versions affected

AMD / AMD EPYC™ 8004 Series Processors

All versions affected

AMD / AMD EPYC™ 4005 Series Processors

All versions affected

AMD / AMD EPYC™ 8005 Series Processors

All versions affected

AMD / AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors

All versions affected

AMD / AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics

All versions affected

AMD / AMD Ryzen™ Threadripper™ 7000 WX-Series Processors

All versions affected

AMD / AMD Ryzen™ 9000HX Series Processors

All versions affected

AMD / AMD Ryzen™ AI 300 Series Processors

All versions affected

AMD / AMD Ryzen™ AI Max 300 Series Processors

All versions affected

AMD / AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics

All versions affected

AMD / AMD Ryzen™ 9000 Series Desktop Processors

All versions affected

AMD / AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics

All versions affected

AMD / AMD Ryzen™ Threadripper™ 9000 Series

All versions affected

AMD / AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics

All versions affected

AMD / AMD Ryzen™ Z2 Series Processors

All versions affected

AMD / AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics

All versions affected

AMD / AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics

All versions affected

AMD / AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors

All versions affected

AMD / AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics

All versions affected

AMD / AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics

All versions affected

AMD / AMD Ryzen™ AI 300 Series Processors

All versions affected

AMD / AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors

All versions affected

AMD / AMD Ryzen™ 4000 Series Desktop Processors

All versions affected

AMD / AMD Ryzen™ 5000 Series Desktop Processors

All versions affected

AMD / AMD Ryzen™ 2000 Mobile Processors

All versions affected

AMD / AMD Ryzen™ 8000 Series Desktop Processors

All versions affected

AMD / AMD Ryzen™ Z1 Series Processors

All versions affected

AMD / AMD Ryzen™ 7000 Series Desktop Processors

All versions affected

AMD / AMD EPYC™ Embedded 3000 Series Processors

All versions affected

AMD / AMD EPYC™ Embedded 7002 Series Processors

All versions affected

AMD / AMD EPYC™ Embedded 7003 Series Processors

All versions affected

AMD / AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")

All versions affected

AMD / AMD Ryzen™ Embedded 7000 Series Processors

All versions affected

AMD / AMD Ryzen™ Embedded 8000 Series Processors

All versions affected

AMD / AMD Ryzen™ Embedded 5000 Series Processors

All versions affected

AMD / AMD Ryzen™ Embedded V2000A Series Processors

All versions affected

AMD / AMD Ryzen™ Embedded V2000 Series Processors

All versions affected

AMD / AMD Ryzen™ Embedded V3000 Series Processors

All versions affected

AMD / AMD Ryzen Embedded V3000 EDKII Series Processors

All versions affected

AMD / AMD EPYC™ Embedded 9005 Series Processors

All versions affected

AMD / AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")

All versions affected

AMD / AMD EPYC™ Embedded 8004 Series Processors

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

amd.com: https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4018.html amd.com: https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3060.html xenbits.xen.org: http://xenbits.xen.org/xsa/advisory-524.html openwall.com: http://www.openwall.com/lists/oss-security/2026/11/10/21