CVE-2023-1902 MEDIUM

CVE-2023-1902: HCI Connection Creation Dangling State Reference Re-use

Vendor Zephyrproject-Rtos
Product Zephyr
Published July 10, 2023
Last update November 7, 2024
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Adjacent
Attack complexity High
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The bluetooth HCI host layer logic not clearing a global reference to a state pointer after handling connection events may allow a malicious HCI Controller to cause the use of a dangling reference in the host layer, leading to a crash (DoS) or potential RCE on the Host layer.

Key dates

02Disclosure timeline

July 10, 2023 CVE published
November 7, 2024 Record updated