CVE-2023-31364

highpriority · track · 0EPSS 0.003 · 18 %ileDEEU

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.26% (18th) EPSS

CVSS 8.3 · high

Is it mine?

36 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

8.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.7–8.3

v4.08.3highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Hsecondary · ENISA EU

v4.08.3highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · psirt@amd.com

v4.05.7mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119US

affected products (36)

Products and version ranges known to be affected.

AMD Prozessor EPYC Seriesall versionscert_bundDEcpe:/h:amd:amd_processor:epyc_series
Dell PowerEdgeall versionscert_bundDEcpe:/h:dell:poweredge:-
HPE ProLiantall versionscert_bundDEcpe:/h:hp:proliant:server
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics≤ No Fix Plannedenisa_euvdEU
AMD AMD EPYC™ 7001 Series Processors< NaplesPI 1.0.0.Renisa_euvdEU
AMD AMD EPYC™ 7002 Series Processors< RomePI 1.0.0.Nenisa_euvdEU
AMD AMD EPYC™ 7003 Series Processors< MilanPI 1.0.0.Henisa_euvdEU
AMD AMD EPYC™ 8004 Series Processors< GenoaPI 1.0.0.Genisa_euvdEU
AMD AMD EPYC™ 9004 Series Processors< GenoaPI 1.0.0.Genisa_euvdEU
AMD AMD EPYC™ 9005 Series Processors< TurinPI 1.0.0.7enisa_euvdEU
AMD AMD EPYC™ Embedded 3000 Series Processors< SnowyOwl_SP4_SP4r2.1.1.0.Henisa_euvdEU
AMD AMD EPYC™ Embedded 7002 Series Processors< EmbRomePI-SP3 1.0.0.Fenisa_euvdEU
AMD AMD EPYC™ Embedded 7003 Series Processors< EmbMilanPI-SP3 v9 1.0.0.Cenisa_euvdEU
AMD AMD EPYC™ Embedded 8004 Series Processors≤ EmbGenoaPI-SP5 1.0.0.Benisa_euvdEU
AMD AMD EPYC™ Embedded 9004 Series Processor≤ EmbGenoaPI-SP5 1.0.0.Benisa_euvdEU
AMD AMD EPYC™ Embedded 9005 Series Processors< EmbTurinPI-SP5 1.0.0.1enisa_euvdEU
AMD AMD Ryzen™ 3000 Series Desktop Processors≤ No Fix Plannedenisa_euvdEU
AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics≤ No Fix Plannedenisa_euvdEU
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics≤ No Fix Plannedenisa_euvdEU
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics≤ No Fix Plannedenisa_euvdEU

showing 20 of 36

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-0498AMD EPYC Series Prozessor: Schwachstelle ermöglicht Denial of ServiceDeutsch2026-02-24csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in AMD EPYC Series Prozessor ausnutzen, um einen Denial of Service Angriff durchzuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund NVD CVE.org MITRE

published 2026-02-26modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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