In smmu_unmap_visit_leaf of arm-smmu-v3.c, there is a possible way to release active direct memory access page references during unmapping due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Metrics
Affected Vendors & Products
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Advisories
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Fixes
Solution
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Workaround
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References
History
Tue, 10 Nov 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In smmu_unmap_visit_leaf of arm-smmu-v3.c, there is a possible way to release active direct memory access page references during unmapping due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. | |
| References |
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MITRE
Status: PUBLISHED
Assigner: Google_Devices
Published:
Updated: 2026-11-10T19:20:50.857Z
Reserved: 2026-06-23T16:13:58.908Z
Link: CVE-2026-56946
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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Weaknesses
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