Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2026-64178

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
19/07/2026
Last modified:
20/07/2026

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> Bluetooth: bnep: Fix UAF read of dev-&gt;name<br /> <br /> bnep_add_connection() needs to keep holding the bnep_session_sem while<br /> reading dev-&gt;name (just like bnep_get_connlist() does); otherwise the<br /> bnep_session() thread can concurrently free the net_device, which can for<br /> example be triggered by a concurrent bnep_del_connection().<br /> <br /> (This UAF is fairly uninteresting from a security perspective;<br /> calling bnep_add_connection() requires passing a capable(CAP_NET_ADMIN)<br /> check. It also requires completely tearing down a netdev during a fairly<br /> tight race window.)

Impact

Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.80
Severity 3.x
HIGH

References to Advisories, Solutions, and Tools