CVE-2026-58767

Received Received - Intake

ARM SMMUv3 Privilege Escalation Vulnerability

Publication date: 2026-09-15

Last updated on: 2026-09-18

Assigner: Google Devices

Description

In multiple functions of arm-smmu-v3.c, there is a possible escalation of privilege due to a logic error in the code. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-15

Last Modified

2026-09-18

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-58767

EUVD

EUVD-2026-79021

Affected Vendors & Products

Vendor	Product	Version / Range
google	android	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-693	The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

Attack-Flow Graph

Executive Summary

This vulnerability is in the arm-smmu-v3.c file where a logic error allows for privilege escalation. An attacker could gain higher privileges with system execution rights, requiring no user interaction to exploit.

Impact Analysis

An attacker could exploit this to gain elevated privileges on your system, potentially allowing them to take control of your device or access sensitive data.

Compliance Impact

This vulnerability involves local privilege escalation with system execution privileges required. It does not directly impact data confidentiality or integrity but could enable unauthorized access to sensitive systems. Compliance impact depends on system configuration and data handling practices rather than the vulnerability itself.

Mitigation Strategies

Apply vendor patches or updates for arm-smmu-v3.c immediately. Monitor official security advisories from ARM or your Linux distribution for fixes. Restrict access to systems with this component until patched.

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