CVE-2023-31364 (GCVE-0-2023-31364)

Vulnerability from cvelistv5 – Published: 2026-02-26 20:33 – Updated: 2026-02-27 19:06
VLAI
Summary
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.
Severity
8.3 (High)
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
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-27 19:05 UTC
CWE
  • CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
AMD CNA under the mitre root
CNA scorecard C 63/100 over 74 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
AMD AMD EPYC™ 7001 Series Processors Unaffected: NaplesPI 1.0.0.R
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AMD AMD EPYC™ 7002 Series Processors Unaffected: RomePI 1.0.0.N
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AMD AMD EPYC™ 7003 Series Processors Unaffected: MilanPI 1.0.0.H
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AMD AMD EPYC™ 8004 Series Processors Unaffected: GenoaPI 1.0.0.G
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AMD AMD EPYC™ 9004 Series Processors Unaffected: GenoaPI 1.0.0.G
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AMD AMD EPYC™ 9005 Series Processors Unaffected: TurinPI 1.0.0.7
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AMD AMD EPYC™ Embedded 3000 Series Processors Unaffected: SnowyOwl_SP4_SP4r2.1.1.0.H
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AMD AMD EPYC™ Embedded 7002 Series Processors Unaffected: EmbRomePI-SP3 1.0.0.F
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AMD AMD EPYC™ Embedded 7003 Series Processors Unaffected: EmbMilanPI-SP3 v9 1.0.0.C
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AMD AMD EPYC™ Embedded 8004 Series Processors Affected: EmbGenoaPI-SP5 1.0.0.B
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AMD AMD EPYC™ Embedded 9004 Series Processor Affected: EmbGenoaPI-SP5 1.0.0.B
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AMD AMD EPYC™ Embedded 9005 Series Processors Unaffected: EmbTurinPI-SP5 1.0.0.1
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AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics Affected: No Fix Planned
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AMD AMD Ryzen™ 3000 Series Desktop Processors Affected: No Fix Planned
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AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics Affected: No Fix Planned
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AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics Affected: No Fix Planned
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AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics Affected: No Fix Planned
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AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics Affected: No Fix Planned
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AMD AMD Ryzen™ 7000 Series Desktop Processors Affected: No Fix Planned
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AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics Affected: No Fix Planned
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AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics Affected: No Fix Planned
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AMD AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics Affected: No Fix Planned
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AMD AMD Ryzen™ 8000 Series Desktop Processors Affected: No Fix Planned
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AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors Affected: No Fix Planned
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AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors Affected: No Fix Planned
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AMD AMD Ryzen™ Embedded 5000 Series Processors Affected: No Fix Planned
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AMD AMD Ryzen™ Embedded 7000 Series Processors Affected: No Fix Planned
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AMD AMD Ryzen™ Embedded 8000 Series Processors Affected: No Fix Planned
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AMD AMD Ryzen™ Embedded R1000 Series Processors Affected: No Fix Planned
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AMD AMD Ryzen™ Embedded R2000 Series Processors Affected: No Fix Planned
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AMD AMD Ryzen™ Embedded V1000 Series Processors Affected: No Fix Planned
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AMD AMD Ryzen™ Embedded V2000 Series Processors Affected: No Fix Planned
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AMD AMD Ryzen™ Embedded V3000 Series Processors Affected: No Fix Planned
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