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CVE-2025-31938: Information Disclosure in Intel(R) Xeon(R) 6 Scalable processors with Intel(R) TDX may allow an information disclosure. Authorized adversary with an authenticated user combined with a high complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are present with special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availabil

0
Medium
VulnerabilityCVE-2025-31938cvecve-2025-31938
Published: 08/11/2026 (08/11/2026, 16:28:08 UTC)
Source: CVE Database V5
Product: Intel(R) Xeon(R) 6 Scalable processors with Intel(R) TDX may allow an information disclosure. Authorized adversary with an authenticated user combined with a high complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are present with special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (none) and availability (none) impacts.

Description

CVE-2025-31938 is an information disclosure vulnerability in some Intel Xeon 6 Scalable processors with Intel TDX. It involves insufficient granularity of access control in a subsystem, potentially allowing an authorized adversary with authenticated user access and special internal knowledge to expose data locally without user interaction. The vulnerability has a medium severity score of 4.3 and requires a high complexity attack. No confirmed patch or remediation guidance is currently available.

CVSS v4.0

Score 4.3medium

Attack Vector
Local
Attack Complexity
High
Attack Requirements
Present
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
None
Subsq. Confidentiality
High
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/12/2026, 00:28:49 UTC

Technical Analysis

This vulnerability arises from insufficient access control granularity in certain subsystems of Intel Xeon 6 Scalable processors with Intel TDX technology. An attacker with authenticated user privileges and specialized internal knowledge may perform a complex local attack to disclose sensitive information. The CVSS 4.0 vector indicates local attack vector, high attack complexity, partial privileges required, no user interaction, and no direct impact on confidentiality, integrity, or availability without subsequent impact. The vulnerability is published with no known exploits in the wild and no vendor remediation level specified.

Potential Impact

The vulnerability may lead to information disclosure affecting system confidentiality with high impact after exploitation. There is no direct impact on system integrity or availability. Exploitation requires local access, authenticated user privileges, and high complexity attack conditions with special internal knowledge. No known active exploitation has been reported.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation has been published at this time. Organizations should monitor Intel advisories for updates and consider restricting local access and authenticated user privileges to trusted personnel until a fix is available.

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Technical Details

Data Version
5.2
Assigner Short Name
intel
Date Reserved
2025-04-15T21:18:07.401Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a7b5466bf8831d539106819

Added to database: 08/11/2026, 16:57:10 UTC

Last enriched: 08/12/2026, 00:28:49 UTC

Last updated: 08/12/2026, 00:28:49 UTC

Views: 3

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