CVE Database›CVE-2025-40141

CVE-2025-40141

kernel: Bluetooth: ISO: Fix possible UAF on iso_conn_free

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Severity

Moderate

Red Hat Product Security

7.3

CVSS 3.1

Review impact separately from score.

Published · November 12, 2025

Updated · July 30, 2026

Description

A vulnerability was found in iso_sock_kill in net/bluetooth/iso.c in Bluetooth protocol stack in the Linux Kernel. In this flaw if the conn->sk is not set to NULL may lead to UAF on iso_conn_free.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 7.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H

CWE-825 · Expired Pointer Dereference