PUB-A-175769013

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-175769013.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-175769013
Aliases
Published
2021-05-01T00:00:00Z
Modified
2025-11-04T16:30:24.675950Z
Summary
[none]
Details

In several functions of rawmidi.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
:2021-05-05

Affected versions

Other

Kernel

Ecosystem specific 

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    "types": [
        "EoP"
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    "severity": "Moderate",
    "spl": "2021-05-05",
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            "target": {
                "function": "resize_runtime_buffer",
                "file": "sound/core/rawmidi.c"
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            "id": "PUB-A-175769013-7229b2ed",
            "source": "https://android.googlesource.com/kernel/common/+/c1f6e3c818dd734c30f6a7eeebf232ba2cf3181d",
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                "function": "snd_rawmidi_kernel_read1",
                "file": "sound/core/rawmidi.c"
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            "id": "PUB-A-175769013-a655205f",
            "source": "https://android.googlesource.com/kernel/common/+/c1f6e3c818dd734c30f6a7eeebf232ba2cf3181d",
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                "file": "sound/core/rawmidi.c"
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}