ASB-A-202159709

See a problem?

Import Source

https://storage.googleapis.com/android-osv/ASB-A-202159709.json

JSON Data

https://api.osv.dev/v1/vulns/ASB-A-202159709

Aliases

A-202159709
CVE-2021-39632

Published

2022-01-01T00:00:00Z

Modified

2026-08-20T15:36:25.573399956Z

Summary

[none]

Details

In inotify_cb of events.cpp, there is a possible out of bounds write due to an incorrect bounds check. 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/bootable/recovery

Package

Name: platform/bootable/recovery

Affected ranges

Type: ECOSYSTEM
Events: Introduced

11:0

Fixed

11:2022-01-01

Affected versions

Other

Ecosystem specific

{
    "types": [
        "EoP"
    ],
    "severity": "High",
    "fixes": [
        "https://android.googlesource.com/platform/bootable/recovery/+/855803fd4af68b9f73121c5aa9b6c02c59ada944"
    ],
    "vanir_signatures": [
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "251878211765381436121786525095445573179",
                    "326917265067444861141647994882588464505",
                    "195134354338674316384953995643263581076",
                    "329915135484451349951781172360289556545",
                    "185702696460615040690229168224222617743",
                    "209782024027139824060767062560107309639",
                    "174819193390521436516379146900120638442",
                    "132100487275494377663344102362761892785",
                    "319649251948772840882092384824874929305",
                    "276551611381577043650032261245716122927",
                    "34487796864078359551710751774194938446",
                    "52405906165327343010616170879870065778"
                ]
            },
            "source": "https://android.googlesource.com/platform/bootable/recovery/+/855803fd4af68b9f73121c5aa9b6c02c59ada944",
            "deprecated": false,
            "id": "ASB-A-202159709-0e611d65",
            "signature_version": "v1",
            "signature_type": "Line",
            "target": {
                "file": "minui/events.cpp"
            }
        },
        {
            "signature_type": "Function",
            "source": "https://android.googlesource.com/platform/bootable/recovery/+/855803fd4af68b9f73121c5aa9b6c02c59ada944",
            "deprecated": false,
            "id": "ASB-A-202159709-37bae723",
            "signature_version": "v1",
            "target": {
                "function": "inotify_cb",
                "file": "minui/events.cpp"
            },
            "digest": {
                "length": 1130.0,
                "function_hash": "323128088944193993090862572043926931314"
            }
        }
    ],
    "spl": "2022-01-01"
}

Database specific

source

"https://storage.googleapis.com/android-osv/ASB-A-202159709.json"