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.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Android | unaffected |
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Project Subscriptions
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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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Projects
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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
No data.
NVD
Status : Awaiting Analysis
Published: 2026-11-10T20:19:16.533
Modified: 2026-11-10T21:46:38.673
Link: CVE-2026-56946
Redhat
No data.
OpenCVE Enrichment
No data.
Weaknesses
No weakness.