CVE-2025-27940 - CVE House
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Status published Medium CVE-2025-27940

Out-of-bounds read for some TDX Module before version tdx1.5 within...

Vulnerability Description

Out-of-bounds read for some TDX Module before version tdx1.5 within Ring 0: Hypervisor may allow an information disclosure. Software side channel adversary with a privileged user combined with a high complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

TDX Module
Vulnerable Versions:
before version tdx1.5

Timeline

Official Publish: February 10th, 2026
Last Modified: February 10th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)