SB20260113110 - Double free in Linux kernel iommu driver



SB20260113110 - Double free in Linux kernel iommu driver

Published: January 13, 2026

Security Bulletin ID SB20260113110
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) Double free (CVE-ID: CVE-2025-71089)

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

The vulnerability exists due to a double free error within the iommu_sva_bind_device() function in drivers/iommu/iommu-sva.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.