Vulnerabilities CVE-2023-54214

CVE-2023-54214

High

Open

TLP:CLEAR

Bluetooth: L2CAP: Fix potential user-after-free

NVD CVE.org

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Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling alloc_skb which may release the chan lock and reacquire later which makes it possible that the chan is disconnected in the meantime.

Details

CVSS Score: 8.8
EPSS Score ⓘ: 0.27%

20th percentile
CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Confidence: 90%
Published: Dec 30, 2025
Last Modified: Aug 4, 2026

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