AMD EPYC 7003 Processors/EPYC 9004 Processors DTE

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in AMD EPYC 7003 Processors and EPYC 9004 Processors. Impacted is an unknown function of the component DTE Handler. Such manipulation leads to an unknown weakness. This vulnerability is referenced as CVE-2023-20584. The attack can only be performed from a local environment. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in AMD EPYC 7003 Processors and EPYC 9004 Processors (version unknown). It has been rated as problematic. Affected by this issue is an unknown function of the component DTE Handler. Impacted is integrity. CVE summarizes:

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.

The advisory is shared for download at amd.com. This vulnerability is handled as CVE-2023-20584 since 10/27/2022. The exploitation is known to be difficult. The attack needs to be approached locally. The exploitation requires an enhanced level of successful authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 207966 (RHEL 8 : linux-firmware (RHSA-2024:7418)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (207966). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.6
VulDB Meta Temp Score: 3.6

VulDB Base Score: 1.9
VulDB Temp Score: 1.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (AMD): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Unknown
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 207966
Nessus Name: RHEL 8 : linux-firmware (RHSA-2024:7418)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2022 🔍
08/13/2024 +656 days 🔍
08/13/2024 +0 days 🔍
10/02/2024 +50 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2023-20584 (🔍)
GCVE (CVE): GCVE-0-2023-20584
GCVE (VulDB): GCVE-100-274400

Entryinfo

Created: 08/13/2024 19:18
Updated: 10/02/2024 10:23
Changes: 08/13/2024 19:18 (60), 10/02/2024 10:23 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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