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Review reviewHigh

CVE-2025-40141

Linux

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.

CVSS
8
EPSS
0.29%
21.8% percentile
CISA KEV
Not listed
Published
2025.11.12
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.29%
Technical severityCVSS 8

Vulnerability overview

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.

Affected product and versions

Product
Linux
Affected versions
>= ccf74f2390d60a2f9a75ef496d2564abb478f46a < eba6d787ec117a5d2c60f9644e0a39c18542b6be, >= ccf74f2390d60a2f9a75ef496d2564abb478f46a < 5319145a07d8bf5b0782b25cb3115825689d42bb, >= ccf74f2390d60a2f9a75ef496d2564abb478f46a < 80689777919f02328eb873769de4647c9dd3e371, >= ccf74f2390d60a2f9a75ef496d2564abb478f46a < c92ad1a155ccfa38b87bd1d998287e1c0a24248d, >= ccf74f2390d60a2f9a75ef496d2564abb478f46a < 9950f095d6c875dbe0c9ebfcf972ec88fdf26fc8, >= 6.0
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Not available