CVE-2023-53017

MEDIUM

Linux Kernel - Use-After-Free in Bluetooth HCI Sync

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: fix memory leak in hci_update_adv_data() When hci_cmd_sync_queue() failed in hci_update_adv_data(), inst_ptr is not freed, which will cause memory leak, convert to use ERR_PTR/PTR_ERR to pass the instance to callback so no memory needs to be allocated.

References (2)

Core 2

Core References

Patch

https://git.kernel.org/stable/c/8ac6043bd3e5b58d30f50737aedc2e58e8087ad5

Patch

https://git.kernel.org/stable/c/1ed8b37cbaf14574c779064ef1372af62e8ba6aa

Scores

CVSS v3 5.5

EPSS 0.0014

EPSS Percentile 3.5%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-401

Status published

Products (8)

Linux/Linux < 6.1

Linux/Linux 6.1

Linux/Linux 6.1.9 - 6.1.*

Linux/Linux 6.2

Linux/Linux 651cd3d65b0f76a2198fcf3a80ce5d53dd267717 - 1ed8b37cbaf14574c779064ef1372af62e8ba6aa

Linux/Linux 651cd3d65b0f76a2198fcf3a80ce5d53dd267717 - 8ac6043bd3e5b58d30f50737aedc2e58e8087ad5

linux/linux_kernel 6.2 rc1 (4 CPE variants)

linux/linux_kernel 6.0 - 6.1.9

Published Mar 27, 2025

Tracked Since Feb 18, 2026