Intel TDX Module up to 1.5.12 locking

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Intel TDX Module up to 1.5.12. It has been classified as problematic. This vulnerability affects unknown code. The manipulation leads to locking. This vulnerability is documented as CVE-2025-20044. The attack needs to be performed locally. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Intel TDX Module up to 1.5.12. It has been rated as problematic. This issue affects an unknown code block. The manipulation with an unknown input leads to a locking vulnerability. Using CWE to declare the problem leads to CWE-667. The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Improper locking for some Intel(R) TDX Module firmware before version 1.5.13 may allow a privileged user to potentially enable escalation of privilege via local access.

It is possible to read the advisory at intel.com. The identification of this vulnerability is CVE-2025-20044 since 10/10/2024. The exploitation is known to be difficult. Attacking locally is a requirement. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 1.5.13 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-1785). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • SUSE Linux
  • Dell PowerEdge
  • Lenovo Computer
  • HPE ProLiant
  • SUSE openSUSE
  • HP Computer
  • Dell PowerScale
  • Dell Computer
  • Dell Avamar
  • Intel Prozessor
  • Dell NetWorker

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.9

VulDB Base Score: 3.9
VulDB Temp Score: 3.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.1
CNA Vector (intel): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Locking
CWE: CWE-667
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: TDX Module 1.5.13

Timelineinfo

10/10/2024 CVE reserved
08/12/2025 +306 days Advisory disclosed
08/12/2025 +0 days VulDB entry created
11/01/2025 +81 days VulDB entry last update

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-01245
Status: Confirmed

CVE: CVE-2025-20044 (🔒)
GCVE (CVE): GCVE-0-2025-20044
GCVE (VulDB): GCVE-100-319751
CERT Bund: WID-SEC-2025-1785 - Intel Prozessoren: Mehrere Schwachstellen

Entryinfo

Created: 08/12/2025 20:41
Updated: 11/01/2025 23:32
Changes: 08/12/2025 20:41 (75), 10/30/2025 09:36 (7), 11/01/2025 23:32 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

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