Description
A missing lock verification in AMD Secure Processor (ASP) firmware may permit a locally authenticated attacker with administrative privileges to alter MMIO routing on some Zen 5-based products, potentially compromising guest system integrity.
Published: 2026-04-16
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Alteration of MMIO routing leading to guest system integrity compromise
Action: Update Firmware
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Tue, 21 Apr 2026 00:15:00 +0000

Type Values Removed Values Added
Title AMD Platform Security Processor: AMD EPYC 9005 Series CPUs: AMD Platform Security Processor: Information disclosure via missing lock check
References
Metrics threat_severity

None

cvssV3_1

{'score': 6.0, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N'}

threat_severity

Moderate


Mon, 20 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Amd
Amd epyc 7003 Series Processors
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 7003 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Amd epyc Embedded 9005 Series Processors
Vendors & Products Amd
Amd epyc 7003 Series Processors
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 7003 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Amd epyc Embedded 9005 Series Processors

Thu, 16 Apr 2026 19:30:00 +0000

Type Values Removed Values Added
Description Missing lock check in AMD Platform Security Processor in AMD EPYC™ 9005 Series CPUs allows a privileged attacker to potentially impact guest confidentiality via local access. A missing lock verification in AMD Secure Processor (ASP) firmware may permit a locally authenticated attacker with administrative privileges to alter MMIO routing on some Zen 5-based products, potentially compromising guest system integrity.

Thu, 16 Apr 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 16 Apr 2026 19:00:00 +0000

Type Values Removed Values Added
Description Missing lock check in AMD Platform Security Processor in AMD EPYC™ 9005 Series CPUs allows a privileged attacker to potentially impact guest confidentiality via local access.
Weaknesses CWE-414
References
Metrics cvssV4_0

{'score': 5.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N'}


Subscriptions

Amd Epyc 7003 Series Processors Epyc 8004 Series Processors Epyc 9004 Series Processors Epyc 9005 Series Processors Epyc Embedded 7003 Series Processors Epyc Embedded 8004 Series Processors Epyc Embedded 9004 Series Processors Epyc Embedded 9005 Series Processors
cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2026-05-13T03:14:06.848Z

Reserved: 2025-07-23T15:01:50.734Z

Link: CVE-2025-54510

cve-icon Vulnrichment

Updated: 2026-04-16T18:56:33.115Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-04-16T19:16:32.897

Modified: 2026-04-17T15:14:05.510

Link: CVE-2025-54510

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-04-16T18:44:10Z

Links: CVE-2025-54510 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-04-20T15:05:26Z

Weaknesses