PUB-A-213464034

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Import Source
https://storage.googleapis.com/android-osv-test/PUB-A-213464034.json
JSON Data
https://api.test.osv.dev/v1/vulns/PUB-A-213464034
Aliases
Published
2022-03-01T00:00:00Z
Modified
2026-03-11T06:36:45Z
Summary
[none]
Details

In packet_set_ring of af_packet.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege 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
:2022-03-05

Affected versions

Other
Kernel

Ecosystem specific 

{
    "fixes":  [
        "https://android.googlesource.com/kernel/common/+/27fc5a7c6972bd73ac0cc0cf811ec2ecb989014f"
    ],
    "severity":  "Moderate",
    "spl":  "2022-03-05",
    "types":  [
        "EoP"
    ],
    "vanir_signatures":  [
        {
            "deprecated":  false,
            "digest":  {
                "line_hashes":  [
                    "56842754286908954858751883799803078452",
                    "333234908957074952355064169353376078837",
                    "307263399136416505205360331004710447305",
                    "189080069852238399985646265830191533788",
                    "240894796540615228570731438920408101816",
                    "123630893940014694020920663064138072003"
                ],
                "threshold":  0.9
            },
            "id":  "PUB-A-213464034-307416a9",
            "signature_type":  "Line",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/kernel/common/+/27fc5a7c6972bd73ac0cc0cf811ec2ecb989014f",
            "target":  {
                "file":  "net/packet/af_packet.c"
            }
        },
        {
            "deprecated":  false,
            "digest":  {
                "function_hash":  "83320058568458924176981676132243978100",
                "length":  3611
            },
            "id":  "PUB-A-213464034-8c4be790",
            "signature_type":  "Function",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/kernel/common/+/27fc5a7c6972bd73ac0cc0cf811ec2ecb989014f",
            "target":  {
                "file":  "net/packet/af_packet.c",
                "function":  "packet_set_ring"
            }
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/android-osv-test/PUB-A-213464034.json"