PUB-A-254681548

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-254681548.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-254681548
Aliases
  • A-254681548
  • CVE-2023-21026
Published
2023-03-01T00:00:00Z
Modified
2025-10-31T15:37:41.221363Z
Summary
[none]
Details

In updateInputChannel of WindowManagerService.java, there is a possible way to set a touchable region beyond its own SurfaceControl due to a logic error in the code. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / platform/frameworks/base

Package

Name
platform/frameworks/base

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13:0
Fixed
13:2023-03-01

Affected versions

Other

13

Ecosystem specific 

{
    "types": [
        "DoS"
    ],
    "fixes": [
        "https://android.googlesource.com/platform/frameworks/base/+/7a418bbfd67d9367c8559b8074a42ed04f14772d"
    ],
    "vanir_signatures": [
        {
            "source": "https://android.googlesource.com/platform/frameworks/base/+/7a418bbfd67d9367c8559b8074a42ed04f14772d",
            "signature_version": "v1",
            "deprecated": false,
            "target": {
                "function": "updateInputChannel",
                "file": "services/core/java/com/android/server/wm/WindowManagerService.java"
            },
            "id": "PUB-A-254681548-cb4c68b8",
            "digest": {
                "length": 1289.0,
                "function_hash": "80201801525218788707289408032071460125"
            },
            "signature_type": "Function"
        },
        {
            "source": "https://android.googlesource.com/platform/frameworks/base/+/7a418bbfd67d9367c8559b8074a42ed04f14772d",
            "signature_version": "v1",
            "deprecated": false,
            "target": {
                "file": "services/core/java/com/android/server/wm/WindowManagerService.java"
            },
            "id": "PUB-A-254681548-e7f667d5",
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "151756177266360469892963686999850863287",
                    "251306381916280699474504591784976258553",
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                    "87059782453090540356880545029940738830",
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            },
            "signature_type": "Line"
        }
    ],
    "severity": "Moderate",
    "spl": "2023-03-01"
}