AIKIDO-2026-10793
rsbinder is vulnerable to Use-After-Free
73
High Risk
This Affects:
rsbinderTL;DR
This release fixes memory-safety vulnerabilities in rsbinder’s binder/IPC handling, including a native-binder use-after-free caused by encoding Rust trait-object fat pointers into flat_binder_object fields and reconstructing them after the underlying object could be freed. It also fixes an IPC empty-parcel free-buffer pointer mismatch by preserving the kernel-supplied pointer instead of collapsing to an empty slice. The patch switches to id-based lifecycle tracking for natives and corrects parcel pointer handling, preventing dangling pointers passed through binder.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
rsbinder is vulnerable to Use-After-Free in versions 0.0.1 - 0.6.1.
How to fix this
Upgrade the rsbinder library to the patch version.
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