PUB-A-195082947

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-195082947.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-195082947
Aliases
Published
2022-03-01T00:00:00Z
Modified
2026-09-23T18:42:52Z
Summary
[none]
Details

In hso_free_net_device of net/usb/hso.c, there is a possible use after free bug. 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
:2022-03-05

Affected versions

Other
Kernel

Ecosystem specific 

{
    "fixes":  [
        "https://android.googlesource.com/kernel/common/+/88b912e02d75b",
        "https://android.googlesource.com/kernel/common/+/b10dd066ea063"
    ],
    "severity":  "Moderate",
    "spl":  "2022-03-05",
    "types":  [
        "EoP"
    ],
    "vanir_signatures":  [
        {
            "deprecated":  false,
            "digest":  {
                "function_hash":  "298137499518198046083903344143831194390",
                "length":  1671
            },
            "id":  "PUB-A-195082947-94280cbc",
            "signature_type":  "Function",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/kernel/common/+/b10dd066ea063",
            "target":  {
                "file":  "drivers/net/usb/hso.c",
                "function":  "hso_create_net_device"
            }
        },
        {
            "deprecated":  false,
            "digest":  {
                "line_hashes":  [
                    "156282893777389539489004679344848890106",
                    "225117206975891230219727731613576980352",
                    "130233698345843230676753961208034863234",
                    "126929904214987551869022099334461746031",
                    "110077989494485997144708421745799580075",
                    "168318541572538511115501495027413516383",
                    "96587662042684001300105669062687269366",
                    "36447792687420169932546913197071659198",
                    "145583491195242609389987204402006427302",
                    "267093625285464366181271664894917707801",
                    "291698062750314684977066088732659534393"
                ],
                "threshold":  0.9
            },
            "id":  "PUB-A-195082947-b195268e",
            "signature_type":  "Line",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/kernel/common/+/b10dd066ea063",
            "target":  {
                "file":  "drivers/net/usb/hso.c"
            }
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/android-osv/PUB-A-195082947.json"