PUB-A-195565510

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-195565510.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-195565510
Aliases
  • A-195565510
  • CVE-2022-20371
Published
2022-08-01T00:00:00Z
Modified
2024-11-06T12:16:03.231308Z
Summary
[none]
Details

In dmbowdtr and related functions of dm-bow.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / :linux_kernel:

Package

Name
:linux_kernel:

Affected ranges

Type
ECOSYSTEM
Events
Introduced
:0
Fixed
:2022-08-05

Affected versions

Other

Kernel

Ecosystem specific 

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        {
            "digest": {
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                "function_hash": "300623058887106438639998738184871824885"
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            "id": "PUB-A-195565510-7b8acf61",
            "source": "https://android.googlesource.com/kernel/common/+/98c15b2bad1a277da43c65c642f8c3c3ee07bacc",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/md/dm-bow.c",
                "function": "dm_bow_tablestatus"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "length": 585.0,
                "function_hash": "119541222737437405754465789162473268266"
            },
            "id": "PUB-A-195565510-9a121adf",
            "source": "https://android.googlesource.com/kernel/common/+/98c15b2bad1a277da43c65c642f8c3c3ee07bacc",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/md/dm-bow.c",
                "function": "dm_bow_dtr"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
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            },
            "id": "PUB-A-195565510-e41c296a",
            "source": "https://android.googlesource.com/kernel/common/+/98c15b2bad1a277da43c65c642f8c3c3ee07bacc",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/md/dm-bow.c"
            },
            "signature_type": "Line"
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    ],
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/98c15b2bad1a277da43c65c642f8c3c3ee07bacc"
    ],
    "spl": "2022-08-05",
    "severity": "Moderate",
    "types": [
        "EoP"
    ]
}