PUB-A-216408350

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Import Source

https://storage.googleapis.com/android-osv-test/PUB-A-216408350.json

JSON Data

https://api.osv.dev/v1/vulns/PUB-A-216408350

Aliases

Published

2022-05-01T00:00:00Z

Modified

2024-10-23T16:43:06.926828Z

Summary

[none]

Details

In fget() of multiple locations, there is a possible read after free due to a race condition. 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 / :linux_kernel:

Package

Name: :linux_kernel:

Affected ranges

Type: ECOSYSTEM
Events: Introduced

:0

Fixed

:2022-05-05

Affected versions

Other

Kernel

Ecosystem specific

{
    "vanir_signatures": [
        {
            "digest": {
                "length": 312.0,
                "function_hash": "50347399082138730567468486640168205875"
            },
            "id": "PUB-A-216408350-04872399",
            "source": "https://android.googlesource.com/kernel/common/+/054aa8d439b9185d4f5eb9a90282d1ce74772969",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "fs/file.c",
                "function": "__fget_files"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "222339155623389242937145999001050522534",
                    "14210766515571077282217007477797530518",
                    "286959784734915952769508299362550069891",
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                ]
            },
            "id": "PUB-A-216408350-181bf3dd",
            "source": "https://android.googlesource.com/kernel/common/+/054aa8d439b9185d4f5eb9a90282d1ce74772969",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "fs/file.c"
            },
            "signature_type": "Line"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/054aa8d439b9185d4f5eb9a90282d1ce74772969"
    ],
    "spl": "2022-05-05",
    "severity": "High",
    "types": [
        "EoP"
    ]
}