CVE-2026-0133
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Possible Code Execution in Arm SMMU v3 Driver

Publication date: 2026-06-16

Last updated on: 2026-06-16

Assigner: Google Devices

Description
In smmu_attach_dev of arm-smmu-v3.c, there is a possible way to sign malicious Android Runtime bootclass artifacts due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

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Meta Information

Published
2026-06-16
Last Modified
2026-06-16
Generated
2026-07-07
AI Q&A
2026-06-16
EPSS Evaluated
2026-07-05
NVD
CVE-2026-0133
EUVD
EUVD-2026-37216

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
google android_runtime *

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability exists in the smmu_attach_dev function of the arm-smmu-v3.c component. It involves a missing permission check that allows malicious Android Runtime bootclass artifacts to be signed improperly.

Because of this missing check, an attacker can escalate their privileges locally without needing any additional execution privileges or user interaction.

Impact Analysis

The impact of this vulnerability is a local escalation of privilege. An attacker who already has some level of access could exploit this flaw to gain higher privileges on the affected system.

No additional execution privileges or user interaction are required, making it easier for an attacker to leverage this vulnerability.

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