September 4, 2025 · Applied Cybernetics Group
CVE-2025-38352 — Linux Kernel
Linux Kernel Time-of-Check Time-of-Use (TOCTOU) Race Condition Vulnerability
- Added to KEV
2025-09-04- Federal due date
2025-09-25- Vendor
- Linux
- Product
- Kernel
- EPSS
- 33.1th percentile (score 0.001, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2025-38352
CISA short description
Linux kernel contains a time-of-check time-of-use (TOCTOU) race condition vulnerability that has a high impact on confidentiality, integrity, and availability.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.