PUB-A-222091980

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-222091980.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-222091980
Aliases
Published
2022-06-01T00:00:00Z
Modified
2025-11-28T17:55:00.460783Z
Summary
[none]
Details

In rcucblistdequeue of rcu_segcblist.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel 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
:2022-06-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/6282531a84bc3",
        "https://android.googlesource.com/kernel/common/+/dc1163203ae6e"
    ],
    "types": [
        "EoP"
    ],
    "severity": "Moderate",
    "vanir_signatures": [
        {
            "id": "PUB-A-222091980-512697e0",
            "signature_version": "v1",
            "digest": {
                "threshold": 0.9,
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            },
            "deprecated": false,
            "signature_type": "Line",
            "source": "https://android.googlesource.com/kernel/common/+/dc1163203ae6e",
            "target": {
                "file": "fs/io_uring.c"
            }
        },
        {
            "id": "PUB-A-222091980-a6b4a35a",
            "signature_version": "v1",
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            "target": {
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    "spl": "2022-06-05"
}