SB20250727117 - Input validation error in Linux kernel dell dell-wmi-sysman driver



SB20250727117 - Input validation error in Linux kernel dell dell-wmi-sysman driver

Published: July 27, 2025

Security Bulletin ID SB20250727117
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) Input validation error (CVE-ID: CVE-2025-38412)

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

The vulnerability exists due to improper input validation within the init_bios_attributes() function in drivers/platform/x86/dell/dell-wmi-sysman/sysman.c, within the current_value_show() function in drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c, within the is_enabled_show() function in drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c, within the current_value_show() function in drivers/platform/x86/dell/dell-wmi-sysman/int-attributes.c, within the current_value_show() function in drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.