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CVE-2023-20584

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CVE-2023-20584

Published: Aug 13, 2024

Modified: Nov 5, 2024

PUBLISHED

CVSS v3.1

5.3

MEDIUM

Description

IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest integrity.

VendorProductVersions

AMD

AMD EPYC™ 7003 Processors

unaffected
MilanPI 1.0.0.C

AMD

AMD EPYC™ 9004 Processors

unaffected
GenoaPI 1.0.0.B

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

Attack Vector

Local

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

High

Availability

None

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