CVE-2026-56946 | BDVDB-2026-403148 Detail

GoogleAndroid

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.

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

https://source.android.com/docs/security/bulletin/pixel/2026/2026-11-01

Exploit#

No public exploit known

History#

Version 12026-11-10Record published in the CVE List.