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CVE-2025-21936

kernel: Bluetooth: Add check for mgmt_alloc_skb() in mgmt_device_connected()

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · April 1, 2025

Updated · June 30, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: Add check for mgmt_alloc_skb() in mgmt_device_connected()

Add check for the return value of mgmt_alloc_skb() in mgmt_device_connected() to prevent null pointer dereference.

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

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference