SB2021121653 - Information disclosure in Linux kernel phone

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2021121653

SB2021121653 - Information disclosure in Linux kernel phone

Published: December 16, 2021 Updated: March 23, 2022

Security Bulletin ID SB2021121653
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Information disclosure (CVE-ID: CVE-2021-45095)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a refcount leak within the pep_sock_accept() function in net/phonet/pep.c in the Linux kernel. A local user can gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.

References