CVE-2025-40325: linux kernel — Fix

Description

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.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.15.111 — 5.16
linux	linux_kernel	5.17 — 6.14.2

References

Advisories & Patches

https://git.kernel.org/stable/c/31d3156efe909b53ba174861a3da880c688f5edc https://git.kernel.org/stable/c/3db4404435397a345431b45f57876a3df133f3b4

Other References

https://git.kernel.org/stable/c/31ff67982c5fa39c0093b9d9f429fef91c2494b7

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-40325? +

CVE-2025-40325 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-40325? +

CVE-2025-40325 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-40325? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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