ASB-A-264029575

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-264029575.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-264029575
Aliases
  • A-264029575
  • CVE-2023-20941
Published
2023-04-01T00:00:00Z
Modified
2026-04-29T15:10:00.007170Z
Summary
[none]
Details

In accctrlrequestcomposite of f_accessory.c, there is a possible out of bounds write due to a missing bounds check. This could lead to physical escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

References

Affected packages

Android / :linux_kernel:

Package

Name
:linux_kernel:

Affected ranges

Type
ECOSYSTEM
Events
Introduced
:0
Fixed
:2023-04-05

Affected versions

Other
Kernel

Ecosystem specific 

{
    "spl": "2023-04-05",
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/f63204236560b6f38b6e015c53eb6304d9889791"
    ],
    "types": [
        "EoP"
    ],
    "vanir_signatures": [
        {
            "signature_type": "Line",
            "signature_version": "v1",
            "deprecated": false,
            "digest": {
                "line_hashes": [
                    "154204816362201663845220166762614710976",
                    "183086282322058050021166621569612086600",
                    "232373756068662542242263383526850869792"
                ],
                "threshold": 0.9
            },
            "source": "https://android.googlesource.com/kernel/common/+/f63204236560b6f38b6e015c53eb6304d9889791",
            "target": {
                "file": "drivers/usb/gadget/function/f_accessory.c"
            },
            "id": "ASB-A-264029575-6d7ee53d"
        },
        {
            "signature_type": "Line",
            "signature_version": "v1",
            "deprecated": false,
            "digest": {
                "line_hashes": [
                    "248582551586425433914416251034119873886",
                    "242425980692480187201279409702591802556",
                    "230543553597391539693556317969712070317",
                    "322123129188396416488013275067709572730",
                    "87280349668657444599006647142624594831",
                    "182905368227727718570605089043184586092",
                    "111398916614321270330149306316166323117",
                    "167454371217771446201595815914141727578"
                ],
                "threshold": 0.9
            },
            "source": "https://android.googlesource.com/kernel/common/+/f63204236560b6f38b6e015c53eb6304d9889791",
            "target": {
                "truncated_path_level": 1.0,
                "file": "drivers/usb/gadget/configfs.c"
            },
            "id": "ASB-A-264029575-bab3c5b0"
        }
    ],
    "severity": "High"
}

Database specific

source 
"https://storage.googleapis.com/android-osv/ASB-A-264029575.json"