CVE-2023-31364

Published Feb 26, 2026 CVSS 4.0 · 8.3 High EPSS < 1% KEV · Not listed
Description
Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine (VM) to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Amd
Amd athlon 3000 Series Mobile Processors With Radeon Graphics
Amd epyc 7001 Series Processors
Amd epyc 7002 Series Processors
Amd epyc 7003 Series Processors
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 3000 Series Processors
Amd epyc Embedded 7002 Series Processors
Amd epyc Embedded 7003 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Amd epyc Embedded 9005 Series Processors
Amd ryzen 3000 Series Mobile Processors With Radeon Graphics
Amd ryzen 4000 Series Desktop Processors
Amd ryzen 4000 Series Mobile Processors With Radeon Graphics
Amd ryzen 5000 Series Mobile Processors With Radeon Graphics
Amd ryzen 6000 Series Processors With Radeon Graphics
Amd ryzen 7000 Series Desktop Processors
Amd ryzen 7020 Series Processors With Radeon Graphics
Amd ryzen 7040 Series Mobile Processors With Radeon Graphics
Amd ryzen 7045 Series Mobile Processors With Radeon Graphics
Amd ryzen 8000 Series Desktop Processors
Amd ryzen Embedded 5000 Series Processors
Amd ryzen Embedded 7000 Series Processors
Amd ryzen Embedded 8000 Series Processors
Amd ryzen Embedded R1000 Series Processors
Amd ryzen Embedded R2000 Series Processors
Amd ryzen Embedded V1000 Series Processors
Amd ryzen Embedded V2000 Series Processors
Amd ryzen Embedded V3000 Series Processors
Amd ryzen Threadripper Pro 3000 Wx-series Processors
Amd ryzen Threadripper Pro 5000 Wx-series Processors
Vendors & Products Amd
Amd athlon 3000 Series Mobile Processors With Radeon Graphics
Amd epyc 7001 Series Processors
Amd epyc 7002 Series Processors
Amd epyc 7003 Series Processors
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 3000 Series Processors
Amd epyc Embedded 7002 Series Processors
Amd epyc Embedded 7003 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Amd epyc Embedded 9005 Series Processors
Amd ryzen 3000 Series Mobile Processors With Radeon Graphics
Amd ryzen 4000 Series Desktop Processors
Amd ryzen 4000 Series Mobile Processors With Radeon Graphics
Amd ryzen 5000 Series Mobile Processors With Radeon Graphics
Amd ryzen 6000 Series Processors With Radeon Graphics
Amd ryzen 7000 Series Desktop Processors
Amd ryzen 7020 Series Processors With Radeon Graphics
Amd ryzen 7040 Series Mobile Processors With Radeon Graphics
Amd ryzen 7045 Series Mobile Processors With Radeon Graphics
Amd ryzen 8000 Series Desktop Processors
Amd ryzen Embedded 5000 Series Processors
Amd ryzen Embedded 7000 Series Processors
Amd ryzen Embedded 8000 Series Processors
Amd ryzen Embedded R1000 Series Processors
Amd ryzen Embedded R2000 Series Processors
Amd ryzen Embedded V1000 Series Processors
Amd ryzen Embedded V2000 Series Processors
Amd ryzen Embedded V3000 Series Processors
Amd ryzen Threadripper Pro 3000 Wx-series Processors
Amd ryzen Threadripper Pro 5000 Wx-series Processors
Type Values Removed Values Added
Description Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine (VM) to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service.
Weaknesses CWE-119
References
Metrics cvssV4_0

{'score': 8.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H'}

Subscriptions

Amd Athlon 3000 Series Mobile Processors With Radeon Graphics Epyc 7001 Series Processors Epyc 7002 Series Processors Epyc 7003 Series Processors Epyc 8004 Series Processors Epyc 9004 Series Processors Epyc 9005 Series Processors Epyc Embedded 3000 Series Processors Epyc Embedded 7002 Series Processors Epyc Embedded 7003 Series Processors Epyc Embedded 8004 Series Processors Epyc Embedded 9004 Series Processors Epyc Embedded 9005 Series Processors Ryzen 3000 Series Mobile Processors With Radeon Graphics Ryzen 4000 Series Desktop Processors Ryzen 4000 Series Mobile Processors With Radeon Graphics Ryzen 5000 Series Mobile Processors With Radeon Graphics Ryzen 6000 Series Processors With Radeon Graphics Ryzen 7000 Series Desktop Processors Ryzen 7020 Series Processors With Radeon Graphics Ryzen 7040 Series Mobile Processors With Radeon Graphics Ryzen 7045 Series Mobile Processors With Radeon Graphics Ryzen 8000 Series Desktop Processors Ryzen Embedded 5000 Series Processors Ryzen Embedded 7000 Series Processors Ryzen Embedded 8000 Series Processors Ryzen Embedded R1000 Series Processors Ryzen Embedded R2000 Series Processors Ryzen Embedded V1000 Series Processors Ryzen Embedded V2000 Series Processors Ryzen Embedded V3000 Series Processors Ryzen Threadripper Pro 3000 Wx-series Processors Ryzen Threadripper Pro 5000 Wx-series Processors
Weaknesses

Sources

Status
PUBLISHED
Assigner
AMD
Published
Updated
Feb 27, 2026, 7:06 PM
Reserved
Apr 27, 2023, 3:25 PM
Status
Deferred
Published
Feb 26, 2026, 9:28 PM
Modified
Jun 17, 2026, 5:56 AM