PUB-A-160822094

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-160822094.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-160822094
Aliases
Published
2021-12-01T00:00:00Z
Modified
2026-09-23T18:42:52Z
Summary
[none]
Details

In gadget_dev_desc_UDC_show of configfs.c, there is a possible disclosure of kernel heap memory due to a race condition. This could lead to local information disclosure 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
:2021-12-05

Affected versions

Other
Kernel

Ecosystem specific 

{
    "fixes":  [
        "https://android.googlesource.com/kernel/common/+/64e6bbfff52db4bf6785fab9cffab850b2de6870"
    ],
    "severity":  "Moderate",
    "spl":  "2021-12-05",
    "types":  [
        "ID"
    ],
    "vanir_signatures":  [
        {
            "deprecated":  false,
            "digest":  {
                "line_hashes":  [
                    "79247195589095590568277055161225283220",
                    "141414295815732894816063577265325991000",
                    "86473914779299051518878460939143540079",
                    "19493245227855791870427344486394842495",
                    "334520433686633874808459603621294536512"
                ],
                "threshold":  0.9
            },
            "id":  "PUB-A-160822094-b4a48689",
            "signature_type":  "Line",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/kernel/common/+/64e6bbfff52db4bf6785fab9cffab850b2de6870",
            "target":  {
                "file":  "drivers/usb/gadget/configfs.c",
                "truncated_path_level":  1
            }
        },
        {
            "deprecated":  false,
            "digest":  {
                "function_hash":  "337555850625797397627801719672181788232",
                "length":  178
            },
            "id":  "PUB-A-160822094-f2e060a8",
            "signature_type":  "Function",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/kernel/common/+/64e6bbfff52db4bf6785fab9cffab850b2de6870",
            "target":  {
                "file":  "drivers/usb/gadget/configfs.c",
                "function":  "gadget_dev_desc_UDC_show",
                "truncated_path_level":  1
            }
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/android-osv/PUB-A-160822094.json"