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CVE-2023-20928

Description

In binder_vma_close of binder.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-254837884References: Upstream kernel

POC

Reference

- http://packetstormsecurity.com/files/170855/Android-Binder-VMA-Management-Security-Issues.html

Github

- https://github.com/ARPSyndicate/cvemon