CVE-2023-53386

Bluetooth: Fix potential use-after-free when clear keys

High · published September 18, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
4.1
In the wild
Unconfirmed
What it is

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

Bluetooth: Fix potential use-after-free when clear keys

Similar to commit c5d2b6fa26b5 ("Bluetooth: Fix use-after-free in

hci_remove_ltk/hci_remove_irk"). We can not access k after kfree_rcu()

call.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00154 · 4.1th percentile
Published
2025-09-18T13:33Z
EPSS history
Timeline
  • 18 SEP 13:33Z
    Bluetooth: Fix potential use-after-free when clear keys
    cvelistv5