ASB-A-175686168

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Import Source

https://storage.googleapis.com/android-osv/ASB-A-175686168.json

JSON Data

https://api.osv.dev/v1/vulns/ASB-A-175686168

Aliases

A-175686168
CVE-2021-0475

Published

2021-05-01T00:00:00Z

Modified

2026-04-20T15:37:26.169566Z

Summary

[none]

Details

In onl2capdataind of btifsock_l2cap.cc, there is possible memory corruption due to a use after free. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / platform/system/bt

Package

Name: platform/system/bt

Affected ranges

Type: ECOSYSTEM
Events: Introduced

10:0

Fixed

10:2021-05-01

Affected versions

Other

Ecosystem specific

{
    "vanir_signatures": [
        {
            "digest": {
                "length": 1231.0,
                "function_hash": "178160968470936185638320098311249109670"
            },
            "id": "ASB-A-175686168-2977bff2",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Function",
            "source": "https://android.googlesource.com/platform/system/bt/+/ff82e7d429902405e7e0a780f955a5b9ef2d9e1b",
            "target": {
                "function": "on_l2cap_data_ind",
                "file": "btif/src/btif_sock_l2cap.cc"
            }
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "232639603431135776560044852476418725891",
                    "168916461548729188579484168029015739824",
                    "124933438368082664701261495312317559181",
                    "316733693649287323913347624274301580166",
                    "64953267401263309934326317444384765108",
                    "138903504683551870702194073267273907795",
                    "184973989303508159385904149340114855909",
                    "212825330865716935874456695975242953166"
                ]
            },
            "id": "ASB-A-175686168-f38ea23a",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Line",
            "source": "https://android.googlesource.com/platform/system/bt/+/ff82e7d429902405e7e0a780f955a5b9ef2d9e1b",
            "target": {
                "file": "btif/src/btif_sock_l2cap.cc"
            }
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/system/bt/+/ff82e7d429902405e7e0a780f955a5b9ef2d9e1b"
    ],
    "types": [
        "RCE"
    ],
    "spl": "2021-05-01",
    "severity": "Critical"
}

Database specific

source

"https://storage.googleapis.com/android-osv/ASB-A-175686168.json"