CVE-2025-48517 - Vulnerability Details - OpenCVE

Insufficient Granularity of Access Control in SEV firmware could allow a privileged user with a malicious hypervisor to create a SEV-ES guest with an ASID in the range meant for SEV-SNP guests potentially resulting in a partial loss of confidentiality.

Attack Vector Local

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

No data.

References

Link	Providers
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html

History

Tue, 10 Feb 2026 22:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 10 Feb 2026 19:45:00 +0000

Type	Values Removed	Values Added
Description		Insufficient Granularity of Access Control in SEV firmware could allow a privileged user with a malicious hypervisor to create a SEV-ES guest with an ASID in the range meant for SEV-SNP guests potentially resulting in a partial loss of confidentiality.
Weaknesses		CWE-1220
References		https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html
Metrics		cvssV4_0 `{'score': 4.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2026-02-10T19:08:21.524Z

Updated: 2026-02-10T21:17:00.925Z

Reserved: 2025-05-22T16:34:07.748Z

Link: CVE-2025-48517

Vulnrichment

Updated: 2026-02-10T21:12:30.659Z

NVD

Status : Awaiting Analysis

Published: 2026-02-10T20:16:45.407

Modified: 2026-02-10T21:51:48.077

Link: CVE-2025-48517

Redhat

No data.

OpenCVE Enrichment

No data.

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