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  4. CVE 2025 40141 bluetooth iso fix possible uaf on isoconnfree
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Back to active CVEs
High · CVSS 8.0CVE-2025-40141

Bluetooth: ISO: Fix possible UAF on iso_conn_freeCVE-2025-40141

Answer in brief

CVE-2025-40141 records a High severity (CVSS 8.0) vulnerability in Bluetooth: ISO: Fix possible UAF on iso_conn_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 Nov 12, 2025Updated Oct 19, 2026Source checked Nov 3, 2026First seen by HOL Aug 5, 2026Material review Oct 19, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.0
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 8.0. 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>=ccf74f2390d60a2f9a75ef496d2564abb478f46a <eba6d787ec117a5d2c60f9644e0a39c18542b6be || >=ccf74f2390d60a2f9a75ef496d2564abb478f46a <5319145a07d8bf5b0782b25cb3115825689d42bb || >=ccf74f2390d60a2f9a75ef496d2564abb478f46a <80689777919f02328eb873769de4647c9dd3e371 || >=ccf74f2390d60a2f9a75ef496d2564abb478f46a <c92ad1a155ccfa38b87bd1d998287e1c0a24248d || >=ccf74f2390d60a2f9a75ef496d2564abb478f46a <9950f095d6c875dbe0c9ebfcf972ec88fdf26fc8eba6d787ec117a5d2c60f9644e0a39c18542b6be, 5319145a07d8bf5b0782b25cb3115825689d42bb, 80689777919f02328eb873769de4647c9dd3e371, c92ad1a155ccfa38b87bd1d998287e1c0a24248d, 9950f095d6c875dbe0c9ebfcf972ec88fdf26fc8
Linux/Linuxgeneric6.0Not 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 eba6d787ec117a5d2c60f9644e0a39c18542b6be if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 12, 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: Bluetooth: ISO: Fix possible UAF on iso_conn_free This attempt to fix similar issue to sco_conn_free where if the conn->sk is not set to NULL may lead to UAF on iso_conn_free.

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 3, 2026
References
5 linked sources
Open source record