ASB-A-175451802

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Import Source
https://storage.googleapis.com/android-osv-test/ASB-A-175451802.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-175451802
Aliases
Published
2021-05-01T00:00:00Z
Modified
2024-10-23T16:43:06.926828Z
Summary
[none]
Details

In tiocspgrp of tty_jobctrl.c, there is a possible use after free 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 / :linux_kernel:

Package

Name
:linux_kernel:

Affected ranges

Type
ECOSYSTEM
Events
Introduced
:0
Fixed
:2021-05-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "7338913957767132237580945162545283902",
                    "276140429312739768394680534261795675580",
                    "203989765631513543784047101143447013562",
                    "144040697814404936400616784663233098827",
                    "219487244008294298156309541912615923617",
                    "121723368273225809510853011269019301423",
                    "43185897151191301020763260751502390130"
                ]
            },
            "id": "ASB-A-175451802-cde41775",
            "source": "https://android.googlesource.com/kernel/common/+/54ffccbf053b5b6ca4f6e45094b942fab92a25fc",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/tty/tty_jobctrl.c"
            },
            "signature_type": "Line"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/54ffccbf053b5b6ca4f6e45094b942fab92a25fc"
    ],
    "spl": "2021-05-05",
    "severity": "High",
    "types": [
        "EoP"
    ]
}