SB2025040265 - NULL pointer dereference in Linux kernel scsi driver 



SB2025040265 - NULL pointer dereference in Linux kernel scsi driver

Published: April 2, 2025 Updated: May 11, 2025

Security Bulletin ID SB2025040265
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 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2025-21957)

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

The vulnerability exists due to NULL pointer dereference within the qla1280_64bit_start_scsi() function in drivers/scsi/qla1280.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.