ASB-A-238177383

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-238177383.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-238177383
Aliases
Published
2022-10-01T00:00:00Z
Modified
2025-09-05T14:56:56.826104Z
Summary
[none]
Details

In ioidentitycow of io_uring.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with System 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
:2022-10-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "signature_type": "Line",
            "signature_version": "v1",
            "id": "ASB-A-238177383-1c649e06",
            "target": {
                "file": "fs/io_uring.c"
            },
            "deprecated": false,
            "digest": {
                "line_hashes": [
                    "283555694453714368821874255168558772476",
                    "134417412181918471945274425715513413757",
                    "484510208167674657433280657768788496",
                    "305247541390997635524119772618650777746"
                ],
                "threshold": 0.9
            },
            "source": "https://android.googlesource.com/kernel/common/+/0380da7fd63ac93caf96a75d1b31e388d3c754e9"
        },
        {
            "signature_type": "Function",
            "signature_version": "v1",
            "id": "ASB-A-238177383-3c096081",
            "target": {
                "function": "io_identity_cow",
                "file": "fs/io_uring.c"
            },
            "deprecated": false,
            "digest": {
                "length": 793.0,
                "function_hash": "7706770934050613843200183825408069182"
            },
            "source": "https://android.googlesource.com/kernel/common/+/0380da7fd63ac93caf96a75d1b31e388d3c754e9"
        }
    ],
    "severity": "Moderate",
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/0380da7fd63ac93caf96a75d1b31e388d3c754e9"
    ],
    "types": [
        "EoP"
    ],
    "spl": "2022-10-05"
}