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High 8.0Published Nov 12, 2025

CVE-2025-40141Bluetooth: ISO: Fix possible UAF on iso_conn_free

Updated under an hour ago ()

Does this affect you?

It affects Linux. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
8.0 HIGH (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
Not given
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Linux
NVD analysis
Deferred
Record last updated
Oct 15, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Linux Linux
linux:linux (from the name)
from ccf74f2390d60a2f9a75ef496d2564abb478f46a before eba6d787ec117a5d2c60f9644e0a39c18542b6be; from ccf74f2390d60a2f9a75ef496d2564abb478f46a before 5319145a07d8bf5b0782b25cb3115825689d42bb; from ccf74f2390d60a2f9a75ef496d2564abb478f46a before 80689777919f02328eb873769de4647c9dd3e371; from ccf74f2390d60a2f9a75ef496d2564abb478f46a before c92ad1a155ccfa38b87bd1d998287e1c0a24248d; from ccf74f2390d60a2f9a75ef496d2564abb478f46a before 9950f095d6c875dbe0c9ebfcf972ec88fdf26fc8
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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