Overview
Linux kernel contains a time-of-check time-of-use (TOCTOU) race condition vulnerability that has a high impact on confidentiality, integrity, and availability.
This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=2c72fe18cc5f9f1750f5bc148cf1c94c29e106ff ; https://source.android.com/docs/security/bulletin/2025-09-01 ; https://nvd.nist.gov/vuln/detail/CVE-2025-38352
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2025-38352 |
| Vendor / Product | Linux — Kernel |
| NVD Published | 2025-07-22 |
| NVD Last Modified | 2026-01-08 |
| CVSS 3.1 Score | 7.4 |
| CVSS 3.1 Vector | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Severity | HIGH |
| CWE | CWE-367 |
| CISA KEV Added | 2025-09-04 |
| CISA KEV Deadline | 2025-09-25 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Required Action
CISA BOD 22-01 Deadline: 2025-09-25.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Timeline
| Date | Event |
|---|---|
| 2025-09-04 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2025-09-25 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2025-38352 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |