ASB-A-246465319

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-246465319.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-246465319
Aliases
  • A-246465319
  • CVE-2022-20498
Published
2022-12-01T00:00:00Z
Modified
2026-07-09T15:25:53.339171538Z
Summary
[none]
Details

In fdtpathoffsetnamelen of fdtro.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android
platform/external/dtc

Package

Name
platform/external/dtc

Affected ranges

Type
ECOSYSTEM
Events
Introduced
10:0
Fixed
10:2022-12-01

Affected versions

Other
10

Ecosystem specific 

{
    "types": [
        "ID"
    ],
    "spl": "2022-12-01",
    "fixes": [
        "https://android.googlesource.com/platform/external/dtc/+/d10c84c4bc78e8ebd8c6ebf70126ad3cb0ba1c46"
    ],
    "severity": "Critical",
    "vanir_signatures": [
        {
            "target": {
                "file": "libfdt/fdt_ro.c"
            },
            "signature_version": "v1",
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "313892047556989837974905003400441723125",
                    "280888915742760431162838500447709826822",
                    "16669983411762510838423516276626381269"
                ]
            },
            "signature_type": "Line",
            "source": "https://android.googlesource.com/platform/external/dtc/+/d10c84c4bc78e8ebd8c6ebf70126ad3cb0ba1c46",
            "deprecated": false,
            "id": "ASB-A-246465319-f0f9363c"
        },
        {
            "id": "ASB-A-246465319-fa1dc448",
            "signature_version": "v1",
            "target": {
                "function": "fdt_path_offset_namelen",
                "file": "libfdt/fdt_ro.c"
            },
            "signature_type": "Function",
            "source": "https://android.googlesource.com/platform/external/dtc/+/d10c84c4bc78e8ebd8c6ebf70126ad3cb0ba1c46",
            "deprecated": false,
            "digest": {
                "function_hash": "221827069630181021746652605547895732436",
                "length": 702.0
            }
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/android-osv/ASB-A-246465319.json"
platform/external/dtc

Package

Name
platform/external/dtc

Affected ranges

Type
ECOSYSTEM
Events
Introduced
11:0
Fixed
11:2022-12-01

Affected versions

Other
11

Ecosystem specific 

{
    "types": [
        "ID"
    ],
    "spl": "2022-12-01",
    "fixes": [
        "https://android.googlesource.com/platform/external/dtc/+/e0440b09079afacb3101f5140560f719d438dadc"
    ],
    "severity": "Critical"
}

Database specific

source 
"https://storage.googleapis.com/android-osv/ASB-A-246465319.json"
platform/external/dtc

Package

Name
platform/external/dtc

Affected ranges

Type
ECOSYSTEM
Events
Introduced
12:0
Fixed
12:2022-12-01

Affected versions

Other
12

Ecosystem specific 

{
    "types": [
        "ID"
    ],
    "spl": "2022-12-01",
    "fixes": [
        "https://android.googlesource.com/platform/external/dtc/+/a6ac6d916df145366bcb34f5507d5da213b2ebaf"
    ],
    "severity": "Critical",
    "vanir_signatures": [
        {
            "target": {
                "function": "fdt_path_offset_namelen",
                "file": "libfdt/fdt_ro.c"
            },
            "signature_version": "v1",
            "digest": {
                "function_hash": "221827069630181021746652605547895732436",
                "length": 702.0
            },
            "signature_type": "Function",
            "source": "https://android.googlesource.com/platform/external/dtc/+/a6ac6d916df145366bcb34f5507d5da213b2ebaf",
            "deprecated": false,
            "id": "ASB-A-246465319-a7286fca"
        },
        {
            "target": {
                "file": "libfdt/fdt_ro.c"
            },
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "281516969829063991719741721143573487947",
                    "139521848752087930508396216630369440300",
                    "140403702278646926293242532004389412178"
                ]
            },
            "id": "ASB-A-246465319-da88e7f1",
            "signature_type": "Line",
            "source": "https://android.googlesource.com/platform/external/dtc/+/a6ac6d916df145366bcb34f5507d5da213b2ebaf",
            "deprecated": false,
            "signature_version": "v1"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/android-osv/ASB-A-246465319.json"
platform/external/dtc

Package

Name
platform/external/dtc

Affected ranges

Type
ECOSYSTEM
Events
Introduced
12L:0
Fixed
12L:2022-12-01

Affected versions

Other
12L

Ecosystem specific 

{
    "types": [
        "ID"
    ],
    "spl": "2022-12-01",
    "fixes": [
        "https://android.googlesource.com/platform/external/dtc/+/952da991f42227e29d7257539d042386d3f4fa33"
    ],
    "severity": "Critical"
}

Database specific

source 
"https://storage.googleapis.com/android-osv/ASB-A-246465319.json"
platform/external/dtc

Package

Name
platform/external/dtc

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13:0
Fixed
13:2022-12-01

Affected versions

Other
13

Ecosystem specific 

{
    "types": [
        "ID"
    ],
    "spl": "2022-12-01",
    "fixes": [
        "https://android.googlesource.com/platform/external/dtc/+/5b78ca841071fee81479036462e7e048fefacb26"
    ],
    "severity": "Critical"
}

Database specific

source 
"https://storage.googleapis.com/android-osv/ASB-A-246465319.json"