SB2025071166 - Input validation error in Linux kernel scsi fnic driver



SB2025071166 - Input validation error in Linux kernel scsi fnic driver

Published: July 11, 2025

Security Bulletin ID SB2025071166
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2025-38238)

CWE-ID: CWE-20 - Improper input validation

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


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the fdls_send_fabric_abts(), fdls_fabric_timer_callback(), fdls_fdmi_timer_callback() and fdls_process_fdmi_abts_rsp() functions in drivers/scsi/fnic/fdls_disc.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.