CVE-2023-21125

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8 HIGH
ADJACENT_NETWORK
LOW
LOW
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
google_androidCNA
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CISA-ADPADP
8 HIGH
ADJACENT_NETWORK
LOW
LOW
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 3%
VendorProductVersion
googleandroid
12.0
googleandroid
12.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://android.googlesource.com/platform/system/bt/+/e7b978841deb331ff5e5849388fa92ee4c40f979
https://source.android.com/security/bulletin/2025-03-01