Medium severity · published Sep 6, 2025
CVE-2023-31351
Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access guest private memory resulting in loss of integrity
5.3
CVSS
0.1%
EPSS
No
On KEV
Description
Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access guest private memory resulting in loss of integrity.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
Attack vector
Local
Complexity
High
Privileges
High
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AE
AMD EPYC™ 7003 Series Processors · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ 8004 Series Processors · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ 9004 Series Processors · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ Embedded 7003 Series Processors · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ Embedded 9004 Series Processors · AMD
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-31351
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-31351
www.amd.com
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3014.html
www.amd.com
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html
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