ASB-A-170658976

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Import Source
https://storage.googleapis.com/android-osv-test/ASB-A-170658976.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-170658976
Aliases
Published
2021-01-01T00:00:00Z
Modified
2024-09-19T16:27:44.562787Z
Summary
flaw in Linux kernel's implementation of Userspace core dumps
Details

In fillthreadcoreinfo of binfmtelf.c, there is a possible leak of kernel heap memory due to uninitialized data. This could lead to local information disclosure to an application core dump 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
:2021-01-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "110497612160530527403063993914174505403",
                    "200521148035237612312138835802718584258",
                    "251565754673033647669578957977982994687",
                    "141562414025503136830371800170307866478"
                ]
            },
            "id": "ASB-A-170658976-f1714f52",
            "source": "http://android.googlesource.com/kernel/common/+/1d605416fb7175e1adf094251466caa52093b413",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "fs/binfmt_elf.c"
            },
            "signature_type": "Line"
        }
    ],
    "fixes": [
        "http://android.googlesource.com/kernel/common/+/1d605416fb7175e1adf094251466caa52093b413"
    ],
    "spl": "2021-01-05",
    "severity": "High",
    "types": [
        "ID"
    ]
}