Out-of-Bounds Read in TDX Module Affects Intel Hypervisor
CVE-2025-27940

5.6MEDIUM

Key Information:

Vendor

Intel
Status
Tdx Module
Vendor
CVE Published:
10 February 2026

What is CVE-2025-27940?

This vulnerability in the TDX Module can result in an out-of-bounds read, potentially allowing information disclosure to a software side channel adversary. The attack can be executed by a privileged user under specific conditions with high complexity, requiring local access but no special internal knowledge or user interaction. If exploited, it may expose sensitive data from the affected system, damaging confidentiality while having no impact on integrity or availability.

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Affected Version(s)

TDX Module before version tdx1.5

References

https://intel.com/content/www/us/en/security-center/advis...

CVSS V4

Score:
5.6
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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