{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-43103",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-01T14:12:55.984Z",
        "datePublished": "2026-05-06T07:40:32.357Z",
        "dateUpdated": "2026-06-01T16:14:48.824Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-01T16:14:48.824Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lapbether: handle NETDEV_PRE_TYPE_CHANGE\n\nlapbeth_data_transmit() expects the underlying device type\nto be ARPHRD_ETHER.\n\nReturning NOTIFY_BAD from lapbeth_device_event() makes sure\nbonding driver can not break this expectation."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wan/lapbether.c"
                    ],
                    "versions": [
                        {
                            "version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
                            "lessThan": "698642a01d53107ce9b3fc08bd801284af478a2b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
                            "lessThan": "ffc5ed59f6dc87c51e8775f002619310225742e8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
                            "lessThan": "a10570973619cba9dfa6d723177251b846fae587",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
                            "lessThan": "363a38044b8cd5b496d241651a1fb666e7c5fe3e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
                            "lessThan": "328bb2cff5c2ed973f595ded769e15f4b7a117be",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
                            "lessThan": "63851f60781aa89258c8f0952cd13940aab0888e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
                            "lessThan": "b117056768ab7deb434e7d72065e48d2083a0c2a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "872254dd6b1f80cb95ee9e2e22980888533fc293",
                            "lessThan": "b120e4432f9f56c7103133d6a11245e617695adb",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wan/lapbether.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.24",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.24",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.258",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.136",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.83",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.24",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.14",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "5.10.258"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "5.15.209"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "6.1.175"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "6.6.136"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "6.12.83"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "6.18.24"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "6.19.14"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/698642a01d53107ce9b3fc08bd801284af478a2b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ffc5ed59f6dc87c51e8775f002619310225742e8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a10570973619cba9dfa6d723177251b846fae587"
                },
                {
                    "url": "https://git.kernel.org/stable/c/363a38044b8cd5b496d241651a1fb666e7c5fe3e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/328bb2cff5c2ed973f595ded769e15f4b7a117be"
                },
                {
                    "url": "https://git.kernel.org/stable/c/63851f60781aa89258c8f0952cd13940aab0888e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b117056768ab7deb434e7d72065e48d2083a0c2a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b120e4432f9f56c7103133d6a11245e617695adb"
                }
            ],
            "title": "net: lapbether: handle NETDEV_PRE_TYPE_CHANGE",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}