{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98624",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.360Z",
        "datePublished": "2026-10-18T15:19:45.566Z",
        "dateUpdated": "2026-10-19T09:22:52.337Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:22:52.337Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nfnetlink_queue: hold nfnl mutex in event notifier\n\nWe must serialize the release notifier and the config netlink function.\nA concurrent thread can issue close() which can call the release function\nwhile unrelated socket processes UNBIND request for same portid:\n\nOops: general protection fault, [..]\nRIP: 0010:__instance_destroy+0x60/0x210 [nfnetlink_queue]\nCall Trace:\n nfqnl_recv_config+0x9b0/0xdc0 [nfnetlink_queue]\n nfnetlink_rcv_msg+0x7c2/0xeb0\n ? __pfx_nfnetlink_rcv_msg+0x10/0x10\n\nAfter this, parallel UNBIND and URELEASE events are impossible.\n\nThis change isn't nice, but its the shortest fix given instances\nare not refcounted and the nfnetlink config callback drops the\nrcu read lock early due to need for sleeping allocations."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/netfilter/nfnetlink_queue.c"
                    ],
                    "versions": [
                        {
                            "version": "7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb",
                            "lessThan": "46432f2e76f7c385d82506304a2928e7d293289f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb",
                            "lessThan": "597320337c3da06c92a9e95cfc755da66fedc476",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb",
                            "lessThan": "2e9be1302f25c9be51c2fb8c907bc6d8a1050e33",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb",
                            "lessThan": "d559e06a5ab7c064100aafd5c826eadd0f1c6216",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb",
                            "lessThan": "1d1184411599a7c2217560bab3bbe641c6d03b95",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb",
                            "lessThan": "07a3ec8fdc5a1267c00cd6fd1cf8bbb5cda913c1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb",
                            "lessThan": "8137a39e08e838ced234044384740ceeb99ed388",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb",
                            "lessThan": "9461613afc59acef44a0071b0dd5075f6e993ffe",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/netfilter/nfnetlink_queue.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "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": "2.6.14",
                                    "versionEndExcluding": "5.10.271"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.14",
                                    "versionEndExcluding": "5.15.222"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.14",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.14",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.14",
                                    "versionEndExcluding": "6.12.112"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.14",
                                    "versionEndExcluding": "6.18.55"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.14",
                                    "versionEndExcluding": "7.2.9"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.14",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/46432f2e76f7c385d82506304a2928e7d293289f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/597320337c3da06c92a9e95cfc755da66fedc476"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2e9be1302f25c9be51c2fb8c907bc6d8a1050e33"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d559e06a5ab7c064100aafd5c826eadd0f1c6216"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1d1184411599a7c2217560bab3bbe641c6d03b95"
                },
                {
                    "url": "https://git.kernel.org/stable/c/07a3ec8fdc5a1267c00cd6fd1cf8bbb5cda913c1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8137a39e08e838ced234044384740ceeb99ed388"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9461613afc59acef44a0071b0dd5075f6e993ffe"
                }
            ],
            "title": "netfilter: nfnetlink_queue: hold nfnl mutex in event notifier",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}