ASB-A-233078742

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Import Source
https://storage.googleapis.com/android-osv-test/ASB-A-233078742.json
JSON Data
https://api.test.osv.dev/v1/vulns/ASB-A-233078742
Aliases
Published
2022-08-01T00:00:00Z
Modified
2024-09-19T16:28:27.422616Z
Summary
[none]
Details

In ioreqinit_async there is a potential use after free due to a race condition. This could lead to local escalation of privileges with User 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
:2022-08-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "severity": "High",
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/812805ff3b0c7069dc94d4a031960b4e2c80beac"
    ],
    "types": [
        "EoP"
    ],
    "vanir_signatures": [
        {
            "id": "ASB-A-233078742-7bc130dc",
            "deprecated": false,
            "signature_type": "Function",
            "signature_version": "v1",
            "target": {
                "function": "io_req_init_async",
                "file": "fs/io_uring.c"
            },
            "digest": {
                "function_hash": "227273210715688725373639114611586646087",
                "length": 305.0
            },
            "source": "https://android.googlesource.com/kernel/common/+/812805ff3b0c7069dc94d4a031960b4e2c80beac"
        },
        {
            "id": "ASB-A-233078742-d30eb709",
            "deprecated": false,
            "signature_type": "Line",
            "signature_version": "v1",
            "target": {
                "file": "fs/io_uring.c"
            },
            "digest": {
                "line_hashes": [
                    "272162681072718761223832810924314861088",
                    "282435767030736005459484303915207870642",
                    "77554876585778307774017004807339822970",
                    "222188109909390957259112931253691907692"
                ],
                "threshold": 0.9
            },
            "source": "https://android.googlesource.com/kernel/common/+/812805ff3b0c7069dc94d4a031960b4e2c80beac"
        }
    ],
    "spl": "2022-08-05"
}