In l2c_fcr_clone_buf of l2c_fcr.cc, there is a possible way to trigger controlled heap corruption within the privileged Bluetooth process due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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