CVE-2025-31944CWE-362

Race condition for some TDX Module before version tdx1.5 within Ring 0: Hypervisor may allow a denial of service

Medium · published February 10, 2026

CVSS v4.0
5.6
EPSS
0%
Percentile
0.3
In the wild
Unconfirmed
What it is

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 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 (none), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (low) impacts.

The record
Technical detail
CVSS v4.0
5.6 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
EPSS
0.00085 · 0.3th percentile
Weakness
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Published
2026-02-10T16:25Z
EPSS history
Timeline
  • 10 FEB 16:25Z
    Race condition for some TDX Module before version tdx1.5 within Ring 0: Hypervisor may allow a denial of service
    cvelistv5