What is CVE-2025-31944?

CVE-2025-31944 is a medium-severity vulnerability in Tdx Module, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.3/10. Published 2026-02-10.

How severe is CVE-2025-31944?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Tdx Module

CVE-2025-31944

Race condition for some TDX Module before version tdx1.5 within Ring 0: Hypervisor may allow a denial of service. Authorized adversary with a privileged user combined with a high complexity attack may enable denial of service. This result…

Vulnerability class: Race Condition

EPSS: 0.001 (0.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H.

Affected products

N/a Tdx Module — versions before version tdx1.5

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

secure@intel.com

Frequently asked questions

What is CVE-2025-31944?: CVE-2025-31944 is a medium-severity vulnerability in Tdx Module, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.3/10. Published 2026-02-10.
How severe is CVE-2025-31944?: Medium severity. CVSS v3 base score is 5.3 out of 10.