PUB-A-197614484

See a problem?

Import Source

https://storage.googleapis.com/android-osv-test/PUB-A-197614484.json

JSON Data

https://api.osv.dev/v1/vulns/PUB-A-197614484

Aliases

A-197614484
CVE-2021-3635

Published

2022-06-01T00:00:00Z

Modified

2024-10-23T16:43:06.926828Z

Summary

[none]

Details

In nftflushtable of nftablesapi.c, there is a possible way to corrupt memory due to a double 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

:2022-06-05

Affected versions

Other

Kernel

Ecosystem specific

{
    "vanir_signatures": [
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "16499807788155931427744795268877489223",
                    "204534404321698258421847161585289544881",
                    "187554030087676587629183073256954601280",
                    "307719300518042427890433005594967079423",
                    "83442853727861301252738097874087701206",
                    "110334422007884509995933032182736069341",
                    "208134823330899312737252866681491368932",
                    "299702700535875746707811785754279091631",
                    "308493595990117255577017759205537877921"
                ]
            },
            "id": "PUB-A-197614484-44856747",
            "source": "https://android.googlesource.com/kernel/common/+/8f4dc50b5c12e159",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "net/netfilter/nf_tables_api.c"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 1128.0,
                "function_hash": "34866843053721100836634346017966600930"
            },
            "id": "PUB-A-197614484-6a74328f",
            "source": "https://android.googlesource.com/kernel/common/+/8f4dc50b5c12e159",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "net/netfilter/nf_tables_api.c",
                "function": "nft_flush_table"
            },
            "signature_type": "Function"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/8f4dc50b5c12e159"
    ],
    "spl": "2022-06-05",
    "severity": "Moderate",
    "types": [
        "EoP"
    ]
}