SB20260218103 - Infinite loop in Linux kernel smb server
Published: February 18, 2026
Security Bulletin ID
SB20260218103
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Infinite loop (CVE-ID: CVE-2026-23220)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the __process_request() function in fs/smb/server/server.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.