CVE-2023-53386

Published: Sep 18, 2025Modified: Jun 17, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

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.

Affected (5)

Products: Linux: Linux Kernel

1 product

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 5.11 to 5.15.132
Linux Linux Kernel	From 5.16 to 6.1.53
Linux Linux Kernel	From 5.7 to 5.10.195
Linux Linux Kernel	From 6.2 to 6.4.16
Linux Linux Kernel	From 6.5 to 6.5.3

Related CWEs

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

References (6)

https://git.kernel.org/stable/c/35cc42f04bc49f0656f6840cb7451b3df6049649

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/3673952cf0c6cf81b06c66a0b788abeeb02ff3ae

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/942d8cefb022f384d5424f8b90c7878f3f93726f

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/94617b736c25091b60e514e2e7aeafcbbee6b700

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/da19f35868dfbecfff4f81166c054d2656cb1be4

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/e87da6a0ac6e631454e7da53a76aa9fe44aaa5dd

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

Timeline

No history available yet.