PUB-A-174904705

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-174904705.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-174904705
Aliases
Published
2021-05-01T00:00:00Z
Modified
2025-10-31T15:37:41.221363Z
Summary
[none]
Details

In vtdokdgkb_ioctl of keyboard.c, there is a possible use after free read due to a race condition. This could lead to local information disclosure 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
:2021-05-05

Affected versions

Other

Kernel

Ecosystem specific 

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    "fixes": [
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    ],
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            "signature_version": "v1",
            "deprecated": false,
            "target": {
                "truncated_path_level": 1.0,
                "function": "vt_do_kdgkb_ioctl",
                "file": "drivers/tty/vt/keyboard.c"
            },
            "id": "PUB-A-174904705-1047c464",
            "digest": {
                "length": 2516.0,
                "function_hash": "110408221018334417520596095852485174859"
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            "signature_type": "Function"
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            "source": "https://android.googlesource.com/kernel/common/+/82e61c3909db51d91b9d3e2071557b6435018b80",
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                "truncated_path_level": 1.0,
                "file": "drivers/tty/vt/keyboard.c"
            },
            "id": "PUB-A-174904705-2fb767ef",
            "digest": {
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    "severity": "Moderate",
    "spl": "2021-05-05"
}