What’s Vulnerable › Vulnerabilities
CVE-2023-31364
- Severity: high (CVSS 8.3 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-02-26 · updated 2026-06-17
- Weakness: CWE-119
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.
Affected products
- AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics: No Fix Planned
- AMD EPYC™ 7001 Series Processors: all versions
- AMD EPYC™ 7002 Series Processors: all versions
- AMD EPYC™ 7003 Series Processors: all versions
- AMD EPYC™ 8004 Series Processors: all versions
- AMD EPYC™ 9004 Series Processors: all versions
- AMD EPYC™ 9005 Series Processors: all versions
- AMD EPYC™ Embedded 3000 Series Processors: all versions
- AMD EPYC™ Embedded 7002 Series Processors: all versions
- AMD EPYC™ Embedded 7003 Series Processors: all versions
- AMD EPYC™ Embedded 8004 Series Processors: EmbGenoaPI-SP5 1.0.0.B
- AMD EPYC™ Embedded 9004 Series Processor: EmbGenoaPI-SP5 1.0.0.B
- AMD EPYC™ Embedded 9005 Series Processors: all versions
- AMD Ryzen™ 3000 Series Desktop Processors: No Fix Planned
- AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics: No Fix Planned
- AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics: No Fix Planned
- AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics: No Fix Planned
- AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics: No Fix Planned
- AMD Ryzen™ 7000 Series Desktop Processors: No Fix Planned
- AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics: No Fix Planned
- AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics: No Fix Planned
- AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics: No Fix Planned
- AMD Ryzen™ 8000 Series Desktop Processors: No Fix Planned
- AMD Ryzen™ Embedded 5000 Series Processors: No Fix Planned
- AMD Ryzen™ Embedded 7000 Series Processors: No Fix Planned
- AMD Ryzen™ Embedded 8000 Series Processors: No Fix Planned
- AMD Ryzen™ Embedded R1000 Series Processors: No Fix Planned
- AMD Ryzen™ Embedded R2000 Series Processors: No Fix Planned
- AMD Ryzen™ Embedded V1000 Series Processors: No Fix Planned
- AMD Ryzen™ Embedded V2000 Series Processors: No Fix Planned
References
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