CVE-2023-53386

HIGH EPSS 3.6%
Published Sep 18, 20259mo ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published Sep 18, 2025 9mo ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
3.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 5

VendorProductVersionRange
linuxlinux_kernel*≥5.7  –  <5.10.195
linuxlinux_kernel*≥5.11  –  <5.15.132
linuxlinux_kernel*≥5.16  –  <6.1.53
linuxlinux_kernel*≥6.2  –  <6.4.16
linuxlinux_kernel*≥6.5  –  <6.5.3

References 6

  • git.kernel.org https://git.kernel.org/stable/c/35cc42f04bc49f0656f6840cb7451b3df6049649
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3673952cf0c6cf81b06c66a0b788abeeb02ff3ae
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/942d8cefb022f384d5424f8b90c7878f3f93726f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/94617b736c25091b60e514e2e7aeafcbbee6b700
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/da19f35868dfbecfff4f81166c054d2656cb1be4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e87da6a0ac6e631454e7da53a76aa9fe44aaa5dd
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/35cc42f04bc49f0656f6840cb7451b3df6049649
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3673952cf0c6cf81b06c66a0b788abeeb02ff3ae
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/942d8cefb022f384d5424f8b90c7878f3f93726f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/94617b736c25091b60e514e2e7aeafcbbee6b700
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/da19f35868dfbecfff4f81166c054d2656cb1be4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e87da6a0ac6e631454e7da53a76aa9fe44aaa5dd
    Patch