ASB-A-265303544

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Import Source
https://storage.googleapis.com/android-osv-test/ASB-A-265303544.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-265303544
Aliases
Published
2023-05-01T00:00:00Z
Modified
2024-09-19T16:28:40.111371Z
Summary
Missing locks in SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 compat code causing UAF used in the wild
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
:2023-05-05

Affected versions

Other

Kernel

Ecosystem specific 

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            "source": "https://android.googlesource.com/kernel/common/+/cc6c5c7fa237f65b08b9618188efe4b24b9cd886",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "sound/core/control.c",
                "function": "snd_ctl_elem_read"
            },
            "signature_type": "Function"
        },
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            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "sound/core/control.c",
                "function": "snd_ctl_elem_read_user"
            },
            "signature_type": "Function"
        },
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            "source": "https://android.googlesource.com/kernel/common/+/cc6c5c7fa237f65b08b9618188efe4b24b9cd886",
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    "fixes": [
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    ],
    "spl": "2023-05-05",
    "severity": "Moderate",
    "types": [
        "EoP"
    ]
}