{"id":"CVE-2026-56946","published":"2026-11-10T20:19:16.533","lastModified":"2026-11-10T21:46:38.673","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.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://source.android.com/docs/security/bulletin/pixel/2026/2026-11-01","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}