CVE-2023-54214

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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/31a288a4df7f6a28e65da22a4ab2add4a963738e
https://git.kernel.org/stable/c/60aaccf16d1e099c16bebfb96428ae762cb528f7
https://git.kernel.org/stable/c/64e28ecf44e46de9f01915a4146706a21c3469d2
https://git.kernel.org/stable/c/994e3e18908f5c4a12d07b44018e6aa85f071048
https://git.kernel.org/stable/c/a6a7d1541fefddf7ca0cfb34c1bff63ff809cc49
https://git.kernel.org/stable/c/b2fde8cb2a25125111f2144604e0e7c0ebcc4bba
https://git.kernel.org/stable/c/b8ed41cc04fb74005aa51d17865ca3d022760335
https://git.kernel.org/stable/c/df5703348813235874d851934e957c3723d71644

Configurations

No configuration.

History

04 Aug 2026, 11:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.8

30 Dec 2025, 13:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-12-30 13:16

Updated : 2026-08-04 11:16

NVD link : CVE-2023-54214

Mitre link : CVE-2023-54214

CVE.ORG link : CVE-2023-54214

JSON object : View

Products Affected

No product.

CWE

No CWE.

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