CVE-2025-40141
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BaseFortify

Publication date: 2025-11-12

Last updated on: 2025-11-12

Assigner: kernel.org

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.
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Meta Information
Published
2025-11-12
Last Modified
2025-11-12
Generated
2026-06-16
AI Q&A
2025-11-13
EPSS Evaluated
2026-06-15
NVD
CVE-2025-40141
Affected Vendors & Products
Currently, no data is known.
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a use-after-free (UAF) issue in the Linux kernel's Bluetooth ISO subsystem. It occurs because the connection's socket (conn->sk) is not set to NULL properly, which may lead to accessing freed memory in the iso_conn_free function.

Impact Analysis

The use-after-free vulnerability can lead to system instability, crashes, or potentially allow an attacker to execute arbitrary code or cause denial of service by exploiting the freed memory access in the Bluetooth ISO connection handling.

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