Improper Input Validation in Android IOMMU

Publication date: 2026-09-08

Last updated on: 2026-09-24

Assigner: Android (associated with Google Inc. or Open Handset Alliance)

Description

In multiple functions of iommu.c, there is a possible out of bounds read/write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-08

Last Modified

2026-09-24

Generated

2026-09-29

AI Q&A

2026-09-10

EPSS Evaluated

2026-09-27

NVD

CVE-2026-58941

Affected Vendors & Products

Vendor	Product	Version / Range
google	android	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability is in the iommu.c file where improper input validation in multiple functions can lead to out of bounds read or write operations. It allows local privilege escalation without needing additional execution privileges or user interaction.

Impact Analysis

An attacker could exploit this to gain higher privileges on your system, potentially allowing them to read or write sensitive data, install malware, or take control of your device. Since no user interaction is needed, it could be exploited silently.

Mitigation Strategies

Apply the latest security patches from your device or system vendor. Monitor official Android security bulletins for updates related to iommu.c vulnerabilities. Disable unnecessary IOMMU features if not required. Restrict local user access to privileged operations until patched.

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