{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98620",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.360Z",
        "datePublished": "2026-10-18T15:19:40.320Z",
        "dateUpdated": "2026-10-19T09:22:48.289Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:22:48.289Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: mtk_eth_soc: unregister net_devices in case of probe failure\n\nIf register_netdev() fails for one of the MTK_MAX_DEVS devices in\nmtk_probe(), the error path jumps to err_deinit_ppe, skipping\nmtk_unreg_dev(). The previously registered net_devices are then freed by\nmtk_free_dev() while still in NETREG_REGISTERED state, hitting the\nBUG_ON(dev->reg_state != NETREG_UNREGISTERED).\n\nRoute the register_netdev() failure to err_unreg_netdev so the net_devices\nregistered so far are properly unregistered before being freed."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/mediatek/mtk_eth_soc.c"
                    ],
                    "versions": [
                        {
                            "version": "8a8a9e89f801ce5d3d1d57ac48db678caf072147",
                            "lessThan": "245bea0c7ab278150c70366bdeb69b901327133c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a8a9e89f801ce5d3d1d57ac48db678caf072147",
                            "lessThan": "ab3bde3b3e56331b4f53a1f6cf4e5e9d1c14c1a0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a8a9e89f801ce5d3d1d57ac48db678caf072147",
                            "lessThan": "7254b702e556158e34b4d7c168b5d8e7da5978af",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a8a9e89f801ce5d3d1d57ac48db678caf072147",
                            "lessThan": "0fdb944d4df02223c67d5e65c4c134ecb57a5668",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a8a9e89f801ce5d3d1d57ac48db678caf072147",
                            "lessThan": "310d1ac61a4d5a2ca8356a3a48d263acf54503ce",
                            "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/ethernet/mediatek/mtk_eth_soc.c"
                    ],
                    "versions": [
                        {
                            "version": "4.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.112",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.55",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.9",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "4.9",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "6.12.112"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "6.18.55"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "7.2.9"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/245bea0c7ab278150c70366bdeb69b901327133c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ab3bde3b3e56331b4f53a1f6cf4e5e9d1c14c1a0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7254b702e556158e34b4d7c168b5d8e7da5978af"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0fdb944d4df02223c67d5e65c4c134ecb57a5668"
                },
                {
                    "url": "https://git.kernel.org/stable/c/310d1ac61a4d5a2ca8356a3a48d263acf54503ce"
                }
            ],
            "title": "net: ethernet: mtk_eth_soc: unregister net_devices in case of probe failure",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}