Home/CVE/Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, all
CVE

CVE-2023-20591

Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, all

Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify hypervisor memory, potentially resulting in loss of confidentiality, integrity, and availability.

MEDIUM · CVSS 6.5 EPSS 0.00335
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0

Weakness Classification

Affected Products & Versions

60
amd epyc 8024pn firmware< genoapi_1.0.0.8
amd epyc 8024p firmware< genoapi_1.0.0.8
amd epyc 8124pn firmware< genoapi_1.0.0.8
amd epyc 8124p firmware< genoapi_1.0.0.8
amd epyc 8224pn firmware< genoapi_1.0.0.8
amd epyc 8224p firmware< genoapi_1.0.0.8
amd epyc 8324pn firmware< genoapi_1.0.0.8
amd epyc 8324p firmware< genoapi_1.0.0.8

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · psirt@amd.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Aug 2024 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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