SB20260113110 - Double free in Linux kernel iommu driver
Published: January 13, 2026
Security Bulletin ID
SB20260113110
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Double free (CVE-ID: CVE-2025-71089)
CWE-ID: CWE-415 - Double Free
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 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.