CVSS 6.7 (medium) · published 2026-11-10
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.
Weakness: CWE-693
Source: NVD CVE-2026-56946
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