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  4. CVE 2025 40325 mdraid10 wait barrier before returning discard
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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2025-40325

md/raid10: wait barrier before returning discard request with REQ_NOWAITCVE-2025-40325

Answer in brief

CVE-2025-40325 records a Unknown severity vulnerability in md/raid10: wait barrier before returning discard request with REQ_NOWAIT. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Apr 18, 2025Updated Oct 21, 2026Source checked Oct 21, 2026First seen by HOL Oct 21, 2026Material review Oct 21, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=c9aa889b035fca4598ae985a0f0c76ebbb547ad2 <29c742ff222dd39335b927a6909c23b8752a053c || >=c9aa889b035fca4598ae985a0f0c76ebbb547ad2 <31ff67982c5fa39c0093b9d9f429fef91c2494b7 || >=c9aa889b035fca4598ae985a0f0c76ebbb547ad2 <31d3156efe909b53ba174861a3da880c688f5edc || >=c9aa889b035fca4598ae985a0f0c76ebbb547ad2 <3db4404435397a345431b45f57876a3df133f3b4 || 39db562b3fedb93978a7e42dd216b306740959f8 || >=5.15.111 <5.1629c742ff222dd39335b927a6909c23b8752a053c, 31ff67982c5fa39c0093b9d9f429fef91c2494b7, 31d3156efe909b53ba174861a3da880c688f5edc, 3db4404435397a345431b45f57876a3df133f3b4, 5.16
Linux/Linuxgeneric5.17Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to 29c742ff222dd39335b927a6909c23b8752a053c if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Apr 18, 2025

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 21, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 21, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Oct 21, 2026
References
4 linked sources
Open source record