PUB-A-197850306

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Import Source
https://storage.googleapis.com/android-osv-test/PUB-A-197850306.json
JSON Data
https://api.test.osv.dev/v1/vulns/PUB-A-197850306
Aliases
Published
2022-03-01T00:00:00Z
Modified
2025-08-06T16:29:06.385449Z
Summary
[none]
Details

In getsignalpage of signal.c, there is a possible leak of kernel data due to uninitialized data. This could lead to local information disclosure 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
:2022-03-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/9c698bff66ab4914bb3d71da7dc6112519bde23e"
    ],
    "severity": "Moderate",
    "spl": "2022-03-05",
    "types": [
        "ID"
    ],
    "vanir_signatures": [
        {
            "signature_version": "v1",
            "digest": {
                "function_hash": "339938110582185630156828205763765012574",
                "length": 434.0
            },
            "deprecated": false,
            "signature_type": "Function",
            "target": {
                "function": "get_signal_page",
                "file": "arch/arm/kernel/signal.c"
            },
            "source": "https://android.googlesource.com/kernel/common/+/9c698bff66ab4914bb3d71da7dc6112519bde23e",
            "id": "PUB-A-197850306-924ef2dd"
        },
        {
            "signature_version": "v1",
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "172204053961297124746774733749632148791",
                    "58795547544708646071616854173628155454",
                    "78885293706127269740668196881614618451",
                    "282123551804674408836246440921981886827",
                    "50806308092549919788233337242074328280",
                    "89133989655327505921688482792177943628",
                    "296969725280413361612768861898306249329",
                    "36271020927615339050770287798758887251"
                ]
            },
            "deprecated": false,
            "signature_type": "Line",
            "target": {
                "file": "arch/arm/kernel/signal.c"
            },
            "source": "https://android.googlesource.com/kernel/common/+/9c698bff66ab4914bb3d71da7dc6112519bde23e",
            "id": "PUB-A-197850306-bf7555fa"
        }
    ]
}