PUB-A-265303544

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Import Source
https://storage.googleapis.com/android-osv-test/PUB-A-265303544.json
JSON Data
https://api.test.osv.dev/v1/vulns/PUB-A-265303544
Aliases
Published
2023-04-01T00:00:00Z
Modified
2025-08-06T16:29:06.385449Z
Summary
[none]
Details

In ctlelemreaduser, ctlelemwriteuser of control_compat.c, there is a possible memory corruption due to a use after free. 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
:2023-04-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/cc6c5c7fa237f65b08b9618188efe4b24b9cd886"
    ],
    "severity": "Moderate",
    "vanir_signatures": [
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            "digest": {
                "function_hash": "108546834540970082224391656027863927244",
                "length": 1120.0
            },
            "signature_type": "Function",
            "target": {
                "function": "snd_ctl_elem_read",
                "file": "sound/core/control.c"
            },
            "deprecated": false,
            "signature_version": "v1",
            "source": "https://android.googlesource.com/kernel/common/+/cc6c5c7fa237f65b08b9618188efe4b24b9cd886",
            "id": "PUB-A-265303544-1c383694"
        },
        {
            "digest": {
                "function_hash": "110624146881422686246579966075625091336",
                "length": 432.0
            },
            "signature_type": "Function",
            "target": {
                "function": "snd_ctl_elem_read_user",
                "file": "sound/core/control.c"
            },
            "deprecated": false,
            "signature_version": "v1",
            "source": "https://android.googlesource.com/kernel/common/+/cc6c5c7fa237f65b08b9618188efe4b24b9cd886",
            "id": "PUB-A-265303544-a3d349d4"
        },
        {
            "digest": {
                "threshold": 0.9,
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            },
            "signature_type": "Line",
            "target": {
                "file": "sound/core/control.c"
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            "signature_version": "v1",
            "source": "https://android.googlesource.com/kernel/common/+/cc6c5c7fa237f65b08b9618188efe4b24b9cd886",
            "id": "PUB-A-265303544-b3a84caf"
        }
    ],
    "types": [
        "EoP"
    ],
    "spl": "2023-04-05"
}