Vulnerability in Linux

CVE-2025-40325

In the Linux kernel, the following vulnerability has been resolved: md/raid10: wait barrier before returning discard request with REQ_NOWAIT raid10_handle_discard should wait barrier before returning a discard bio which has REQ_NOWAIT. And there is no need to print warning calltrace if a discard bio has REQ_NOWAIT flag. Quality engineer usually checks dmesg and reports error if dmesg has warning/error calltrace.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (14.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-40325: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions c9aa889b035fca4598ae985a0f0c76ebbb547ad2, 39db562b3fedb93978a7e42dd216b306740959f8, 6.12.64
  • Linux Kernel

References

Frequently asked questions

What is CVE-2025-40325?
CVE-2025-40325 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2025-04-18.
How severe is CVE-2025-40325?
Medium severity. CVSS v3 base score is 5.5 out of 10.