What is CVE-2025-40325?

CVE-2025-40325 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.15.111 onward and patched in 6.12.64, 6.14.2 and 6.15. CVE-2025-40325 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-40325?

CVE-2025-40325 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2025-40325?

Yes, CVE-2025-40325 has been patched. Fixed versions include 6.12.64, 6.14.2 and 6.15. If you are running Linux kernel 5.15.111 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-40325 actively exploited?

CVE-2025-40325 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2025-40325

Medium

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.

Package Linux Kernel

Published 2025-04-18

Last modified 2026-01-08

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Affected versions

Linux kernel versions 5.15.111, 5.17 and later are affected. Fixed in 6.12.64, 6.14.2, 6.15 and their respective stable series.

Affected from

≥ 5.15.111 ≥ 5.17

Fixed in

✓ 6.12.64 6.12.x ✓ 6.14.2 6.14.x ✓ 6.15

References

The following references provide additional information about CVE-2025-40325 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/31d3156efe909b53ba174861a3da880c688f5edc
Patch
Kernel patch commit
https://git.kernel.org/stable/c/31ff67982c5fa39c0093b9d9f429fef91c2494b7
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3db4404435397a345431b45f57876a3df133f3b4
Patch

Details

CVE ID CVE-2025-40325

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-04-18

Modified 2026-01-08

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-40325?

CVE-2025-40325 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.15.111 onward and has been patched in 6.12.64, 6.14.2 and 6.15. CVE-2025-40325 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-40325?

CVE-2025-40325 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2025-40325?

Yes — CVE-2025-40325 has been patched. Fixed versions include 6.12.64, 6.14.2 and 6.15. If you are running Linux kernel 5.15.111 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-40325 actively exploited?

No — CVE-2025-40325 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.