CVE-2026-56946

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.

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.

10. Nov 2026

Ausgewertete Quellen

• Android
  https://source.android.com/docs/security/bulletin/pixel/2026/2026-11-01
• NVD
  CVE-2026-56946