ASB-A-237540956

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-237540956.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-237540956
Aliases
Published
2022-10-01T00:00:00Z
Modified
2024-11-06T12:16:03.231308Z
Summary
[none]
Details

In emulationprochandler of armv8_deprecated.c, there is a possible way to corrupt memory due to a race condition. This could lead to local escalation of privilege with no additional 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
:2022-10-05

Affected versions

Other

Kernel

Ecosystem specific 

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    "vanir_signatures": [
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
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                ]
            },
            "id": "ASB-A-237540956-2b776679",
            "source": "https://android.googlesource.com/kernel/common/+/885349f53dd73",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "arch/arm64/kernel/armv8_deprecated.c"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 506.0,
                "function_hash": "208061974099580248824470922620832625234"
            },
            "id": "ASB-A-237540956-38dedc93",
            "source": "https://android.googlesource.com/kernel/common/+/885349f53dd73",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "arch/arm64/kernel/armv8_deprecated.c",
                "function": "emulation_proc_handler"
            },
            "signature_type": "Function"
        },
        {
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                "function_hash": "34727716310740305401880678320967446606"
            },
            "id": "ASB-A-237540956-c6741cac",
            "source": "https://android.googlesource.com/kernel/common/+/885349f53dd73",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "arch/arm64/kernel/armv8_deprecated.c",
                "function": "register_insn_emulation_sysctl"
            },
            "signature_type": "Function"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/885349f53dd73"
    ],
    "spl": "2022-10-05",
    "severity": "High",
    "types": [
        "EoP"
    ]
}