ASB-A-111893654

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Import Source
https://storage.googleapis.com/android-osv-test/ASB-A-111893654.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-111893654
Aliases
Published
2020-09-01T00:00:00Z
Modified
2024-10-23T16:43:06.926828Z
Summary
[none]
Details

In uvcscanchainforward of uvcdriver.c, there is a possible linked list corruption due to an unusual root cause. This could lead to local escalation of privilege in the kernel 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
:2020-09-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "digest": {
                "length": 1549.0,
                "function_hash": "60626479737422533824532741070373279186"
            },
            "id": "ASB-A-111893654-2d607d27",
            "source": "https://android.googlesource.com/kernel/common/+/68035c80e129",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/media/usb/uvc/uvc_driver.c",
                "function": "uvc_scan_chain_backward"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "120562242773611334247690270017307367008",
                    "314134717899991047975011651615276986161",
                    "329785512308302717970716491869670669225",
                    "318417455983384928294155248693750694405",
                    "200622169402816814162099168487583731592",
                    "272887279343761342340979204992761554541",
                    "151803682576569073663657577465118544463"
                ]
            },
            "id": "ASB-A-111893654-5f80e208",
            "source": "https://android.googlesource.com/kernel/common/+/68035c80e129",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/media/usb/uvc/uvc_driver.c"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 1173.0,
                "function_hash": "194215759102333248697385159289433439026"
            },
            "id": "ASB-A-111893654-8ead4b9c",
            "source": "https://android.googlesource.com/kernel/common/+/68035c80e129",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/media/usb/uvc/uvc_driver.c",
                "function": "uvc_scan_chain_forward"
            },
            "signature_type": "Function"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/68035c80e129"
    ],
    "spl": "2020-09-05",
    "severity": "High",
    "types": [
        "EoP"
    ]
}