What is CVE-2025-39754?

CVE-2025-39754 is a medium-severity vulnerability in Linux, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.7/10. Published 2025-09-11.

How severe is CVE-2025-39754?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Vulnerability in Linux

CVE-2025-39754

In the Linux kernel, the following vulnerability has been resolved: mm/smaps: fix race between smaps_hugetlb_range and migration smaps_hugetlb_range() handles the pte without holdling ptl, and may be concurrenct with migration, leaing to…

Vulnerability class: Race Condition

EPSS: 0.001 (1.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 25ee01a2fca02dfb5a3ce316e77910c468108199, 4.4, 0
Linux Linux_kernel — versions 6.17

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2025-39754?: CVE-2025-39754 is a medium-severity vulnerability in Linux, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.7/10. Published 2025-09-11.
How severe is CVE-2025-39754?: Medium severity. CVSS v3 base score is 4.7 out of 10.