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CVE-2023-20584

MEDIUM
Published 2024-08-13T16:53:18.373Z
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Expert Analysis

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CVSS Score

V3.1
5.3
/10
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.079
Higher than 7.9% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
NONE
Integrity
HIGH
Availability
NONE

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

AMD

AMD EPYC™ 7003 Processors

Affected Versions:

MilanPI 1.0.0.C
AMD

AMD EPYC™ 9004 Processors

Affected Versions:

GenoaPI 1.0.0.B

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-7cfh-j5pv-fw3c

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-20584
WEB https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html

Advisory provided by GitHub Security Advisory Database. Published: August 13, 2024, Modified: August 13, 2024

References

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html
Published: 2024-08-13T16:53:18.373Z
Last Modified: 2024-11-05T21:40:37.392Z
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