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CVE-2023-21125

Description

In btif_hh_hsdata_rpt_copy_cb of bta_hh.cc, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.

POC

Reference

- https://android.googlesource.com/platform/system/bt/+/e7b978841deb331ff5e5849388fa92ee4c40f979

Github

- https://github.com/761669642/Mahesh-970-CVE-2023-21125_bluedriod_repo

- https://github.com/plzheheplztrying/cve_monitor