Linux Kernel up to 6.14.1 raid10 privilege escalation

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Linux Kernel up to 6.14.1. Impacted is an unknown function of the component raid10. This manipulation causes an unknown weakness. The identification of this vulnerability is CVE-2025-40325. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.14.1. It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the component raid10. The impact remains unknown. The summary by CVE is:

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.

The advisory is shared at git.kernel.org. This vulnerability is known as CVE-2025-40325 since 04/16/2025. The exploitation appears to be difficult. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 240657 (Ubuntu 25.04 : Linux kernel vulnerabilities (USN-7594-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.14.2 or 6.15-rc1 eliminates this vulnerability. Applying the patch 31d3156efe909b53ba174861a3da880c688f5edc/3db4404435397a345431b45f57876a3df133f3b4 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (240657), EUVD (EUVD-2025-11811) and CERT Bund (WID-SEC-2025-0861). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Debian Linux
  • Google Cloud Platform
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • RESF Rocky Linux
  • Open Source Linux Kernel
  • SolarWinds Security Event Manager
  • Dell Secure Connect Gateway

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 240657
Nessus Name: Ubuntu 25.04 : Linux kernel vulnerabilities (USN-7594-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.14.2/6.15-rc1
Patch: 31d3156efe909b53ba174861a3da880c688f5edc/3db4404435397a345431b45f57876a3df133f3b4

Timelineinfo

04/16/2025 🔍
04/18/2025 +2 days 🔍
04/18/2025 +0 days 🔍
05/24/2026 +401 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2025-40325 (🔍)
GCVE (CVE): GCVE-0-2025-40325
GCVE (VulDB): GCVE-100-305629
EUVD: 🔍
CERT Bund: WID-SEC-2025-0861 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 04/18/2025 11:32
Updated: 05/24/2026 19:19
Changes: 04/18/2025 11:32 (56), 06/28/2025 17:51 (2), 10/26/2025 07:11 (7), 11/07/2025 01:35 (12), 11/15/2025 20:25 (1), 02/16/2026 17:51 (1), 05/24/2026 19:19 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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