CVE-2023-31351
Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access...
Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access guest private memory resulting in loss of integrity.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access guest private memory resulting in loss of integrity.
- Record
CVE-2023-31351- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N - Weakness
- CWE-119
- Updated
- 2026-11-02
EUVDEUVD-2023-35662
Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access guest private memory resulting in loss of integrity.
- Record
EUVD-2023-35662- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-x676-jq8m-r576
Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access...
Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access guest private memory resulting in loss of integrity.
- Record
GHSA-x676-jq8m-r576- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N - Weakness
- CWE-119
- Updated
- 2026-11-02
NVD
Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access guest private memory resulting in loss of integrity.
- Record
CVE-2023-31351- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N - Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-31351 is a medium vulnerability (CVSS 5.3) in Amd Epyc™ 7003 Series Processors, published September 6, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.12%, the 2nd percentile. No source names a fixed version.