SB2025061942 - Information disclosure in PEAK-System PCAN-Linux driver



SB2025061942 - Information disclosure in PEAK-System PCAN-Linux driver

Published: June 19, 2025

Security Bulletin ID SB2025061942
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 security vulnerability.


1) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2025-6217)

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to a time-of-check, time-of-use (TOCTOU) race condition within the handling of the PCANFD_ADD_FILTERS IOCTL. A local user can gain access to sensitive information on the system.


Remediation

Install update from vendor's website.