CVE-2025-40005

  • Published: 2025-10-20T16:15:37.127
  • Last modified: 1761075085

Summary

🛡️ Vulnerability overview CVE-2025-40005 In the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: Implement refcount to handle unbind during busy driver support indirect read and indirect write operation with assumption no force device removal(unbind) operation. However force device removal(removal) is still available to root superuser. Unbinding driver during operation causes kernel crash. This changes ensure driver able to handle such operation for indirect read and indirect write by implementing refcount to track attached devices to the controller…

Technical details

    Severity & risk metrics

    Affected products & vendors

    Vendors not specified.

    Exploit & mitigation

    No vendor patch links provided.

    References & resources

    No references.


    🛡️ Vulnerability overview CVE-2025-40005

    In the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: Implement refcount to handle unbind during busy driver support indirect read and indirect write operation with assumption no force device removal(unbind) operation. However force device removal(removal) is still available to root superuser. Unbinding driver during operation causes kernel crash. This changes ensure driver able to handle such operation for indirect read and indirect write by implementing refcount to track attached devices to the controller and gracefully wait and until attached devices remove operation completed before proceed with removal operation.

    📊 Technical details

    • Severity:
    • CVSS:
    • Vendor:

    🧩 Affected products

    • Not specified.
    • Update to the latest available version
    • Monitor logs and network traffic
    • Apply least-privilege and segment the network

    🔗 References

    • No related CVEs.

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    In the Linux kernel, the following vulnerability has been resolved:

    spi: cadence-quadspi: Implement refcount to handle unbind during busy

    driver support indirect read and indirect write operation with
    assumption no force device removal(unbind) operation. However
    force device removal(removal) is still available to root superuser.

    Unbinding driver during operation causes kernel crash. This changes
    ensure driver able to handle such operation for indirect read and
    indirect write by implementing refcount to track attached devices
    to the controller and gracefully wait and until attached devices
    remove operation completed before proceed with removal operation.

    Related CVE by CWE

    No related CWE found.

    Top CVE for Vendor

    No vendor taxonomy on this entry.

    Recently Exploited Similar Vulnerabilities

    No recent KEV-listed items for this vendor/product.

    How to fix CVE-2025-40005

    CVE-2025-40005 is a unknown severity vulnerability affecting the affected product.

    Description: Summary 🛡️ Vulnerability overview CVE-2025-40005 In the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: Implement refcount to handle unbind during busy driver support indirect read and indirect write operation with assumption no force device removal(unbind) operation. However force device removal(removal) is still available to root superuser. Unbinding driver during operation causes kernel […]

    Exploit Difficulty: HARD
    ⏱️ Time to exploit: > 4 hours
    🛠️ Required skills: Advanced security expertise
    💰 Public exploits: Rare or not public

    How to Fix:

    1 Identify affected systems

    - Check if you're running the affected product

    2 Immediate actions

    - Update to the latest patched version
    - If patching is not immediately possible: restrict network exposure, apply least-privilege access

    3 Verification

    - Test the fix in a staging environment first
    - Review logs for signs of exploitation
    - Monitor for IOCs (Indicators of Compromise)

    4 Long-term prevention

    - Enable automatic security updates
    - Set up vulnerability monitoring
    - Review and harden security configurations

    Vendor Advisory: https://git.kernel.org/stable/c/7446284023e8ef694fb392348185349c773eefb3https://git.kernel.org/stable/c/b7ec8a2b094a33d0464958c2cbf75b8f229098b0

    Exploit Difficulty Assessment

    HARD
    ⏱️ Time to Exploit: > 4 hours
    🛠️ Skills Required: Advanced security expertise
    💰 Public Exploits: Rare or not public

    Vulnerability Timeline

    Oct 20, 2025
    Vulnerability Published

    CVE details first published to NVD database

    Jan 01, 1970
    Last Modified

    CVE details were updated

    Oct 28, 2025
    Imported to Database

    Added to this CVE tracking system

    Detection Rules & IOCs

    No specific detection rules generated for this vulnerability type.

    No vendor/product data available.