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High 8.3Published Feb 26, 2026
CVE-2023-31364Improper 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 machin…
Updated under an hour ago ()
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It affects AMD EPYC™ 7001 Series Processors and 32 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 8.3 HIGH (v4.0, CNA)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
- Weakness (CWE)
- CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- AMD
- NVD analysis
- Deferred
- Record last updated
- Feb 27, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
AMD AMD EPYC™ 7001 Series Processors amd:epyctm_7001_series_processors (from the name) | NaplesPI 1.0.0.R not affected | CNA record |
AMD AMD EPYC™ 7002 Series Processors amd:epyctm_7002_series_processors (from the name) | RomePI 1.0.0.N not affected | CNA record |
AMD AMD EPYC™ 7003 Series Processors amd:epyctm_7003_series_processors (from the name) | MilanPI 1.0.0.H not affected | CNA record |
AMD AMD EPYC™ 8004 Series Processors amd:epyctm_8004_series_processors (from the name) | GenoaPI 1.0.0.G not affected | CNA record |
AMD AMD EPYC™ 9004 Series Processors amd:epyctm_9004_series_processors (from the name) | GenoaPI 1.0.0.G not affected | CNA record |
AMD AMD EPYC™ 9005 Series Processors amd:epyctm_9005_series_processors (from the name) | TurinPI 1.0.0.7 not affected | CNA record |
AMD AMD EPYC™ Embedded 3000 Series Processors amd:epyctm_embedded_3000_series_processors (from the name) | SnowyOwl_SP4_SP4r2.1.1.0.H not affected | CNA record |
AMD AMD EPYC™ Embedded 7002 Series Processors amd:epyctm_embedded_7002_series_processors (from the name) | EmbRomePI-SP3 1.0.0.F not affected | CNA record |
AMD AMD EPYC™ Embedded 7003 Series Processors amd:epyctm_embedded_7003_series_processors (from the name) | EmbMilanPI-SP3 v9 1.0.0.C not affected | CNA record |
AMD AMD EPYC™ Embedded 8004 Series Processors amd:epyctm_embedded_8004_series_processors (from the name) | EmbGenoaPI-SP5 1.0.0.B | CNA record |
AMD AMD EPYC™ Embedded 9004 Series Processor amd:epyctm_embedded_9004_series_processor (from the name) | EmbGenoaPI-SP5 1.0.0.B | CNA record |
AMD AMD EPYC™ Embedded 9005 Series Processors amd:epyctm_embedded_9005_series_processors (from the name) | EmbTurinPI-SP5 1.0.0.1 not affected | CNA record |
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics amd:athlontm_3000_series_mobile_processors_with_radeontm_graphics (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ 3000 Series Desktop Processors amd:ryzentm_3000_series_desktop_processors (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics amd:ryzentm_3000_series_mobile_processors_with_radeontm_graphics (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics amd:ryzentm_4000_series_mobile_processors_with_radeontm_graphics (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics amd:ryzentm_5000_series_mobile_processors_with_radeontm_graphics (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics amd:ryzentm_6000_series_processors_with_radeontm_graphics (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ 7000 Series Desktop Processors amd:ryzentm_7000_series_desktop_processors (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics amd:ryzentm_7020_series_processors_with_radeontm_graphics (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics amd:ryzentm_7040_series_mobile_processors_with_radeontm_graphics (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics amd:ryzentm_7045_series_mobile_processors_with_radeontm_graphics (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ 8000 Series Desktop Processors amd:ryzentm_8000_series_desktop_processors (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors amd:ryzentm_threadrippertm_pro_3000_wx_series_processors (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors amd:ryzentm_threadrippertm_pro_5000_wx_series_processors (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ Embedded 5000 Series Processors amd:ryzentm_embedded_5000_series_processors (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ Embedded 7000 Series Processors amd:ryzentm_embedded_7000_series_processors (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ Embedded 8000 Series Processors amd:ryzentm_embedded_8000_series_processors (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ Embedded R1000 Series Processors amd:ryzentm_embedded_r1000_series_processors (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ Embedded R2000 Series Processors amd:ryzentm_embedded_r2000_series_processors (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ Embedded V1000 Series Processors amd:ryzentm_embedded_v1000_series_processors (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ Embedded V2000 Series Processors amd:ryzentm_embedded_v2000_series_processors (from the name) | No Fix Planned | CNA record |
AMD AMD Ryzen™ Embedded V3000 Series Processors amd:ryzentm_embedded_v3000_series_processors (from the name) | No Fix Planned | CNA record |
References
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7059.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.