ASB-A-213464034

See a problem?
Import Source
https://storage.googleapis.com/android-osv-test/ASB-A-213464034.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-213464034
Aliases
Published
2022-05-01T00:00:00Z
Modified
2024-09-19T16:28:17.445317Z
Summary
net/packet: rx_owner_map depends on pg_vec
Details

In packetsetring 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
:2022-05-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "56842754286908954858751883799803078452",
                    "333234908957074952355064169353376078837",
                    "307263399136416505205360331004710447305",
                    "189080069852238399985646265830191533788",
                    "240894796540615228570731438920408101816",
                    "123630893940014694020920663064138072003"
                ]
            },
            "id": "ASB-A-213464034-307416a9",
            "source": "https://android.googlesource.com/kernel/common/+/27fc5a7c6972bd73ac0cc0cf811ec2ecb989014f",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "net/packet/af_packet.c"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 3611.0,
                "function_hash": "83320058568458924176981676132243978100"
            },
            "id": "ASB-A-213464034-8c4be790",
            "source": "https://android.googlesource.com/kernel/common/+/27fc5a7c6972bd73ac0cc0cf811ec2ecb989014f",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "net/packet/af_packet.c",
                "function": "packet_set_ring"
            },
            "signature_type": "Function"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/27fc5a7c6972bd73ac0cc0cf811ec2ecb989014f"
    ],
    "spl": "2022-05-05",
    "severity": "Moderate",
    "types": [
        "EoP"
    ]
}