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  4. CVE 2025 40095 usb gadget frndis refactor bind path to use free
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Back to active CVEs
High · CVSS 7.8CVE-2025-40095

usb: gadget: f_rndis: Refactor bind path to use __free()CVE-2025-40095

Answer in brief

CVE-2025-40095 records a High severity (CVSS 7.8) vulnerability in usb: gadget: f_rndis: Refactor bind path to use __free(). 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 Oct 30, 2025Updated Oct 19, 2026Source checked Nov 4, 2026First seen by HOL Aug 5, 2026Material review Oct 19, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.8
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.8. 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>=45fe3b8e5342cd1ce307099459c74011d8e01986 <ef81226bb1f8b6e761cd0b53d2696e9c1bc955d1 || >=45fe3b8e5342cd1ce307099459c74011d8e01986 <5f65c8ad8c7292ed7e3716343fcd590a51818cc3 || >=45fe3b8e5342cd1ce307099459c74011d8e01986 <380353c3a92be7d928e6f973bd065c5b79755ac3 || >=45fe3b8e5342cd1ce307099459c74011d8e01986 <a8366263b7e5b663d7fb489d3a9ba1e2600049a6 || >=45fe3b8e5342cd1ce307099459c74011d8e01986 <08228941436047bdcd35a612c1aec0912a29d8cdef81226bb1f8b6e761cd0b53d2696e9c1bc955d1, 5f65c8ad8c7292ed7e3716343fcd590a51818cc3, 380353c3a92be7d928e6f973bd065c5b79755ac3, a8366263b7e5b663d7fb489d3a9ba1e2600049a6, 08228941436047bdcd35a612c1aec0912a29d8cd
Linux/Linuxgeneric2.6.27Not 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 ef81226bb1f8b6e761cd0b53d2696e9c1bc955d1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 30, 2025

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

  2. Source modified

    Oct 19, 2026

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

  3. First seen by HOL

    Aug 5, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • 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: usb: gadget: f_rndis: Refactor bind path to use __free() After an bind/unbind cycle, the rndis->notify_req is left stale. If a subsequent bind fails, the unified error label attempts to free this stale request, leading to a NULL pointer dereference when accessing ep->ops->free_request. Refactor the error handling in the bind path to use the __free() automatic cleanup mechanism.

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
Nov 4, 2026
References
5 linked sources
Open source record