AMD EPYC 7003 Processors IOMMU memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in AMD EPYC 7003 Processors, EPYC 9004 Processors, EPYC 8004 Processors, EPYC Embedded 7003 Processors and EPYC Embedded 9004 Processors. This affects an unknown part of the component IOMMU. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2023-31351. Attacking locally is a requirement. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in AMD EPYC 7003 Processors, EPYC 9004 Processors, EPYC 8004 Processors, EPYC Embedded 7003 Processors and EPYC Embedded 9004 Processors. This affects an unknown functionality of the component IOMMU. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access guest private memory resulting in loss of integrity.

It is possible to read the advisory at amd.com. This vulnerability is uniquely identified as CVE-2023-31351 since 04/27/2023. The exploitability is told to be difficult. Attacking locally is a requirement. The exploitation requires an enhanced level of successful authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2023-35662) and CERT Bund (WID-SEC-2025-1770). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Debian Linux
  • Ubuntu Linux
  • Oracle Linux
  • Dell PowerEdge
  • Lenovo Computer
  • HP Computer
  • AMD Prozessor

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.5

VulDB Base Score: 3.9
VulDB Temp Score: 3.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (AMD): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/27/2023 CVE reserved
09/06/2025 +863 days Advisory disclosed
09/06/2025 +0 days VulDB entry created
12/13/2025 +98 days VulDB entry last update

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2023-31351 (🔒)
GCVE (CVE): GCVE-0-2023-31351
GCVE (VulDB): GCVE-100-322995
EUVD: 🔒
CERT Bund: WID-SEC-2025-1770 - AMD Prozessoren: Mehrere Schwachstellen

Entryinfo

Created: 09/06/2025 20:00
Updated: 12/13/2025 16:49
Changes: 09/06/2025 20:00 (62), 09/06/2025 22:29 (1), 12/13/2025 16:49 (7)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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