PT-2026-7301 · Intel · Tdx Module

Published 2026-02-10 · Updated 2026-02-10 · CVE-2025-31944

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions TDX Module versions prior to tdx1.5

Description A race condition exists within the hypervisor in Ring 0 for some TDX Module versions prior to tdx1.5, potentially leading to a denial of service. An authorized adversary with privileged user access, combined with a high complexity attack, may trigger this issue. The attack can be performed via local access and does not require special internal knowledge or user interaction. The vulnerability may impact the availability of the system, potentially resulting in subsequent impacts to system availability.

Recommendations Update to TDX Module version tdx1.5 or later.

Fix

DoS

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

BDU:2026-01875

CVE-2025-31944

Affected Products

Tdx Module

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2025-31944 · Security Note
• https://bdu.fstec.ru/vul/2026-01875 · Security Note
• https://twitter.com/CVEnew/status/2021279076372140055 · Twitter Post
• https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01397.html · Note