ASB-A-192085766

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-192085766.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-192085766
Aliases
  • A-192085766
  • CVE-2021-0955
Published
2021-12-01T00:00:00Z
Modified
2026-09-21T16:00:45Z
Summary
[none]
Details

In pf_write_buf of FuseDaemon.cpp, there is possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / platform/packages/providers/MediaProvider

Package

Name
platform/packages/providers/MediaProvider

Affected ranges

Type
ECOSYSTEM
Events
Introduced
11:0
Fixed
11:2021-12-01

Affected versions

Other
11

Ecosystem specific 

{
    "fixes":  [
        "https://android.googlesource.com/platform/packages/providers/MediaProvider/+/9b7488a6ab3f4c8f5cfc30ff7d04a972643c1ff9"
    ],
    "severity":  "High",
    "spl":  "2021-12-01",
    "types":  [
        "EoP"
    ],
    "vanir_signatures":  [
        {
            "deprecated":  false,
            "digest":  {
                "function_hash":  "192019583326987785727405191115202404923",
                "length":  589
            },
            "id":  "ASB-A-192085766-555f3750",
            "signature_type":  "Function",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/platform/packages/providers/MediaProvider/+/9b7488a6ab3f4c8f5cfc30ff7d04a972643c1ff9",
            "target":  {
                "file":  "jni/FuseDaemon.cpp",
                "function":  "pf_write_buf"
            }
        },
        {
            "deprecated":  false,
            "digest":  {
                "line_hashes":  [
                    "63062175104087424415549573778864761467",
                    "231680940865405488345224561359528259172",
                    "273123602092719675722700568352747148168",
                    "29991220791276618583071092840987293896",
                    "196368252258504179421192806773538706037"
                ],
                "threshold":  0.9
            },
            "id":  "ASB-A-192085766-891c0d00",
            "signature_type":  "Line",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/platform/packages/providers/MediaProvider/+/9b7488a6ab3f4c8f5cfc30ff7d04a972643c1ff9",
            "target":  {
                "file":  "jni/FuseDaemon.cpp"
            }
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/android-osv/ASB-A-192085766.json"