AMD EPYC 9004 Processors initialization

CVSS Meta Temp Score
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CTI Interest Score
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1.9$0-$5k0.00

Summaryinfo

A vulnerability was found in AMD EPYC 9004 Processors, EPYC 7003 Processors, EPYC 9005 Processors, EPYC 8004 Processors, EPYC Embedded 7003 Processors, EPYC Embedded 9004 Processors, EPYC Embedded 9005 Processors and EPYC Embedded 8004 Processors. It has been rated as problematic. Affected by this issue is some unknown functionality. The manipulation leads to initialization. This vulnerability is documented as CVE-2025-48509. The attack needs to be performed locally. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in AMD EPYC 9004 Processors, EPYC 7003 Processors, EPYC 9005 Processors, EPYC 8004 Processors, EPYC Embedded 7003 Processors, EPYC Embedded 9004 Processors, EPYC Embedded 9005 Processors and EPYC Embedded 8004 Processors. It has been rated as problematic. This issue affects an unknown function. The manipulation with an unknown input leads to a initialization vulnerability. Using CWE to declare the problem leads to CWE-665. The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. Impacted is integrity. The summary by CVE is:

Missing Checks in certain functions related to RMP initialization can allow a local admin privileged attacker to cause misidentification of I/O memory, potentially resulting in a loss of guest memory integrity

The advisory is shared at amd.com. The identification of this vulnerability is CVE-2025-48509 since 05/22/2025. The exploitation is known to be difficult. An attack has to be approached locally. The exploitation needs additional levels of successful authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 300491 (Linux Distros Unpatched Vulnerability : CVE-2025-48509), 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 (300491). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 1.9
VulDB Meta Temp Score: 1.9

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

CVSSv2info

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

Exploitinginfo

Class: Initialization
CWE: CWE-665
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: 300491
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-48509

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/22/2025 CVE reserved
02/11/2026 +265 days Advisory disclosed
02/11/2026 +0 days VulDB entry created
03/05/2026 +22 days VulDB entry last update

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2025-48509 (🔒)
GCVE (CVE): GCVE-0-2025-48509
GCVE (VulDB): GCVE-100-345401

Entryinfo

Created: 02/11/2026 05:06
Updated: 03/05/2026 15:43
Changes: 02/11/2026 05:06 (63), 03/05/2026 15:43 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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