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.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-25)

Published

2025-04-18

Modified

2026-10-21

Record from

the NVD, synced 2026-10-22

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/29c742ff222dd39335b927a6909c23b8752a053c
• https://git.kernel.org/stable/c/31d3156efe909b53ba174861a3da880c688f5edc
• https://git.kernel.org/stable/c/31ff67982c5fa39c0093b9d9f429fef91c2494b7
• https://git.kernel.org/stable/c/3db4404435397a345431b45f57876a3df133f3b4

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