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8.3
HIGH CVSS 4.0
CVE-2023-31364
VMware VMX Denial of Service
Overview
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.

Details
INFO

Published Date :

Feb. 26, 2026, 9:28 p.m.

Last Modified :

June 17, 2026, 5:56 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Impact
Affected Products

The following products are affected by CVE-2023-31364 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Amd ryzen_3000_series_desktop_processors
2 Amd ryzen_7000_series_desktop_processors
3 Amd ryzen_5000_series_mobile_processors_with_radeon_graphics
4 Amd ryzen_6000_series_processors_with_radeon_graphics
5 Amd ryzen_7040_series_mobile_processors_with_radeon_graphics
6 Amd athlon_3000_series_mobile_processors_with_radeon_graphics
: Total Affected Vendor : 1 | Products : 6
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 4.0 HIGH b58fc414-a1e4-4f92-9d70-1add41838648
CVSS 4.0 HIGH [email protected]
Solution
Apply vendor patches to mitigate direct memory write vulnerabilities and prevent denial of service.
  • Update the system to the latest vendor release.
  • Apply relevant security patches from the vendor.
  • Monitor host systems for machine check errors.
  • Disable direct memory writes if possible.
References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-31364.

URL Resource
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7059.html
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-31364 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-31364 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-31364 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2023-31364 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Jun. 17, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'AMD', 'product': 'AMD EPYC™ 7001 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'NaplesPI 1.0.0.R'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ 7002 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'RomePI 1.0.0.N'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ 7003 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'MilanPI 1.0.0.H'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ 8004 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'GenoaPI 1.0.0.G'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ 9004 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'GenoaPI 1.0.0.G'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ 9005 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'TurinPI 1.0.0.7'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ Embedded 3000 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'SnowyOwl_SP4_SP4r2.1.1.0.H'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ Embedded 7002 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'EmbRomePI-SP3 1.0.0.F'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ Embedded 7003 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'EmbMilanPI-SP3 v9 1.0.0.C'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ Embedded 8004 Series Processors', 'versions': [{'status': 'affected', 'version': 'EmbGenoaPI-SP5 1.0.0.B'}], 'defaultStatus': 'unaffected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ Embedded 9004 Series Processor', 'versions': [{'status': 'affected', 'version': 'EmbGenoaPI-SP5 1.0.0.B'}], 'defaultStatus': 'unaffected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ Embedded 9005 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'EmbTurinPI-SP5 1.0.0.1'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 3000 Series Desktop Processors', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 7000 Series Desktop Processors', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 8000 Series Desktop Processors', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded 5000 Series Processors', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded 7000 Series Processors', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded 8000 Series Processors', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded R1000 Series Processors', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded R2000 Series Processors', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded V1000 Series Processors', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded V2000 Series Processors', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded V3000 Series Processors', 'versions': [{'status': 'affected', 'version': 'No Fix Planned'}], 'defaultStatus': 'affected'}]
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 17, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2023-31364', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-02-27T19:05:49.436981Z'}
  • New CVE Received by [email protected]

    Feb. 26, 2026

    Action Type Old Value New Value
    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.
    Added CVSS V4.0 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:X
    Added CWE CWE-119
    Added Reference https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7059.html
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
Base CVSS Score: 8.3
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability