CVE-2025-21096 - Vulnerability Details - OpenCVE

Improper buffer restrictions in the firmware for some Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.

Attack Vector Local

Attack Complexity High

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Intel	Tdx Module Software

No data.

No data.

References

Link	Providers
https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01312.html

History

Thu, 14 Aug 2025 06:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Intel Intel tdx Module Software
Vendors & Products		Intel Intel tdx Module Software

Tue, 12 Aug 2025 21:15:00 +0000

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

Tue, 12 Aug 2025 17:15:00 +0000

Type	Values Removed	Values Added
Description		Improper buffer restrictions in the firmware for some Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.
Weaknesses		CWE-119
References		https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01312.html
Metrics		cvssV3_1 `{'score': 1.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N'}` cvssV4_0 `{'score': 2, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: intel

Published: 2025-08-12T16:58:29.807Z

Updated: 2025-08-13T15:04:43.563Z

Reserved: 2025-01-16T04:00:23.740Z

Link: CVE-2025-21096

Vulnrichment

Updated: 2025-08-12T19:09:31.468Z

NVD

Status : Awaiting Analysis

Published: 2025-08-12T17:15:31.190

Modified: 2025-08-13T17:34:12.350

Link: CVE-2025-21096

Redhat

No data.

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