In smmu_detach_dev of arm-smmu-v3.c, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Referenceshttps://android.googlesource.com/kernel/common/+/3af14d2057f2f3df97472cef6b293113b020d1e6https://android.googlesource.com/kernel/common/+/a47e0e78ad5b4e153b40fc1c9def11991aa6ca0chttps://android.googlesource.com/kernel/common/+/5161b3e75fb025bb4ebb11fbf1ac037021e56719https://source.android.com/security/bulletin/2026-03-01
