CVE-2023-54214

CVE-2023-54214

High · published December 30, 2025

CVSS v3.1
8.8
EPSS
0%
Percentile
21.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00300 · 21.5th percentile
Published
2025-12-30T18:16Z
References (8)
https://git.kernel.org/stable/c/31a288a4df7f6a28e65da22a4ab2add4a963738e · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/60aaccf16d1e099c16bebfb96428ae762cb528f7 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/64e28ecf44e46de9f01915a4146706a21c3469d2 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/994e3e18908f5c4a12d07b44018e6aa85f071048 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a6a7d1541fefddf7ca0cfb34c1bff63ff809cc49 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b2fde8cb2a25125111f2144604e0e7c0ebcc4bba · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b8ed41cc04fb74005aa51d17865ca3d022760335 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/df5703348813235874d851934e957c3723d71644 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 30 DEC 12:11Z
    Bluetooth: L2CAP: Fix potential user-after-free
    cvelistv5