ASB-A-203847542

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Import Source

https://storage.googleapis.com/android-osv/ASB-A-203847542.json

JSON Data

https://api.osv.dev/v1/vulns/ASB-A-203847542

Aliases

A-203847542
CVE-2021-39620

Published

2022-01-01T00:00:00Z

Modified

2026-04-17T15:55:28.020024Z

Summary

[none]

Details

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

References

Affected packages

Android / platform/frameworks/native

Package

Name: platform/frameworks/native

Affected ranges

Type: ECOSYSTEM
Events: Introduced

11:0

Fixed

11:2022-01-01

Affected versions

Other

Ecosystem specific

{
    "severity": "High",
    "fixes": [
        "https://android.googlesource.com/platform/frameworks/native/+/d668098e4714025b41052207c9332de86dc3936a"
    ],
    "spl": "2022-01-01",
    "vanir_signatures": [
        {
            "signature_version": "v1",
            "source": "https://android.googlesource.com/platform/frameworks/native/+/d668098e4714025b41052207c9332de86dc3936a",
            "target": {
                "function": "Parcel::ipcSetDataReference",
                "file": "libs/binder/Parcel.cpp"
            },
            "deprecated": false,
            "digest": {
                "function_hash": "144609664463200789840411049854569021572",
                "length": 1276.0
            },
            "signature_type": "Function",
            "id": "ASB-A-203847542-b60b1a8c"
        },
        {
            "signature_version": "v1",
            "source": "https://android.googlesource.com/platform/frameworks/native/+/d668098e4714025b41052207c9332de86dc3936a",
            "target": {
                "file": "libs/binder/Parcel.cpp"
            },
            "deprecated": false,
            "digest": {
                "line_hashes": [
                    "98137480975788759579922814741327671228",
                    "296481944491939447479301249339620908390",
                    "255680770530481632092119999480852922173",
                    "335918368435902695206397568346019004575",
                    "132768507783080792642256092800878294969",
                    "103982756747036362728424074686863731880",
                    "185907099120875731621615021484317954078"
                ],
                "threshold": 0.9
            },
            "signature_type": "Line",
            "id": "ASB-A-203847542-c4233554"
        }
    ],
    "types": [
        "EoP"
    ]
}

Database specific

source

"https://storage.googleapis.com/android-osv/ASB-A-203847542.json"