SB2022120128 - Information disclosure in Linux kernel bluetooth



SB2022120128 - Information disclosure in Linux kernel bluetooth

Published: December 1, 2022

Security Bulletin ID SB2022120128
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Access of Uninitialized Pointer (CVE-ID: CVE-2022-42895)

CWE-ID: CWE-824 - Access of Uninitialized Pointer

CVSSv4: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows an attacker to gain access to sensitive information.

The vulnerability exists due to unauthorized access of uninitialized pointer within the l2cap_parse_conf_req() function in net/bluetooth/l2cap_core.c. An attacker with physical proximity to the affected device can gain access to sensitive information.


Remediation

Install update from vendor's website.