UNKNOWNCVSS not yet scoredVulnerability
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. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Properties
- Last source
- NVD
- Nvd fetched at
- 2026-11-10T23:33:48.924589+00:00
- Cve id
- CVE-2026-56946
- First seen by Signal
- 2026-11-10T23:31:41+00:00
- Retrieved at
- 2026-11-10T23:34:23+00:00
- Published at
- 2026-11-10T20:19:16.533
- Last modified
- 2026-11-10T21:46:38.673
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