CVE-2025-22850
TOCTOU Race Condition in Intel UEFI PdaSmm Module Causes Data Leak
Publication date: 2026-03-10
Last updated on: 2026-03-10
Assigner: Intel Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| intel | uefi_pdasm_module | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-367 | The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a time-of-check time-of-use (TOCTOU) race condition found in the UEFI PdaSmm module on some Intel reference platforms. It may allow an attacker with privileged system software access to disclose information. The attack is complex and requires local access, special internal knowledge, and no user interaction.
How can this vulnerability impact me? :
The vulnerability can lead to information disclosure, impacting the confidentiality of the system. It does not affect the integrity or availability of the system. The attack requires a privileged user and is of high complexity, so it is not easily exploitable without special knowledge.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know