CVE-2023-31351 json
Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access guest private memory resulting in loss of inte…
published 2025-09-06 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2023-35662
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 2%
- public exploits
- 0
- none known
Summary
Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access guest private memory resulting in loss of integrity.
Patch / fix
- AMD AMD EPYC™ 7003 Series Processors Milan 100C
- AMD AMD EPYC™ 9004 Series Processors Genoa 100C
- AMD AMD EPYC™ 8004 Series Processors Genoa 100C
- AMD AMD EPYC™ Embedded 7003 Series Processors EmbMilanPI-SP3 1.0.0.9
- AMD AMD EPYC™ Embedded 9004 Series Processors EmbGenoaPI-SP5 1.0.0.7
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 14 mo ago
Exploit prediction
0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N |
Affected products
- AMD AMD EPYC™ 7003 Series Processors
- AMD AMD EPYC™ 9004 Series Processors
- AMD AMD EPYC™ 8004 Series Processors
- AMD AMD EPYC™ Embedded 7003 Series Processors
- AMD AMD EPYC™ Embedded 9004 Series Processors
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
Sources
- CVE List CVE-2023-31351
- NVD CVE-2023-31351
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