SB2025070561 - Input validation error in Linux kernel iommu intel driver



SB2025070561 - Input validation error in Linux kernel iommu intel driver

Published: July 5, 2025

Security Bulletin ID SB2025070561
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-2025-38216)

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

The vulnerability exists due to improper input validation within the intel_nested_attach_dev() function in drivers/iommu/intel/nested.c, within the dmar_domain_attach_device(), device_block_translation() and identity_domain_attach_dev() functions in drivers/iommu/intel/iommu.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.