PUB-A-174049066

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-174049066.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-174049066
Aliases
Published
2021-12-01T00:00:00Z
Modified
2025-11-18T16:17:57.446691Z
Summary
[none]
Details

In _configfsopen_file of file.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel 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
:2021-12-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "types": [
        "EoP"
    ],
    "severity": "Moderate",
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/14fbbc8297728e880070f7b077b3301a8c698ef9"
    ],
    "vanir_signatures": [
        {
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                ],
                "threshold": 0.9
            },
            "target": {
                "file": "fs/configfs/file.c"
            },
            "signature_version": "v1",
            "source": "https://android.googlesource.com/kernel/common/+/14fbbc8297728e880070f7b077b3301a8c698ef9",
            "deprecated": false,
            "id": "PUB-A-174049066-039f667e",
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 1865.0,
                "function_hash": "104396315799143217044677248812266308073"
            },
            "target": {
                "function": "__configfs_open_file",
                "file": "fs/configfs/file.c"
            },
            "signature_version": "v1",
            "source": "https://android.googlesource.com/kernel/common/+/14fbbc8297728e880070f7b077b3301a8c698ef9",
            "deprecated": false,
            "id": "PUB-A-174049066-ce7dfc4d",
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    ],
    "spl": "2021-12-05"
}