Unrated severityNVD Advisory· Published Nov 10, 2026· Updated Nov 10, 2026
CVE-2026-56946
CVE-2026-56946
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.
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Affected products
1Patches
Vulnerability mechanics
References
1News mentions
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