SB2026011806 - IBM Netezza Appliance update for filelock
Published: January 18, 2026
Security Bulletin ID
SB2026011806
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- 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-2025-68146)
The vulnerability allows a local user to truncate arbitrary files.
The vulnerability exists due to a race condition when truncating files. A local user can create a symbolic link to a critical file on the system in the time gap between the check and open, causing os.open() to follow the symlink and truncate the target file.
Remediation
Install update from vendor's website.