Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since September 4, 2025.
CVE-2025-38352
Linux Kernel Time-of-Check Time-of-Use (TOCTOU) Race Condition Vulnerability
Added to KEV September 4, 2025
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2025-38352
- CWE
- CWE-367
- Affected products
- Kernel · Linux Kernel · Linux
What happened
Linux kernel contains a time-of-check time-of-use (TOCTOU) race condition vulnerability that has a high impact on confidentiality, integrity, and availability.
What it means for your business
Linux Kernel is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2025-38352). Linux kernel contains a time-of-check time-of-use (TOCTOU) race condition vulnerability that has a high impact on confidentiality, integrity, and availability. CISA remediation due date: 2025-09-25. If you need help checking exposure, call (864) 335-9223.
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.
CISA due date: September 25, 2025
Sources
Related briefs
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