{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49558",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:08:31.591Z",
        "datePublished": "2025-02-26T02:14:04.575Z",
        "dateUpdated": "2026-05-23T15:22:25.638Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:22:25.638Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: double hook unregistration in netns path\n\n__nft_release_hooks() is called from pre_netns exit path which\nunregisters the hooks, then the NETDEV_UNREGISTER event is triggered\nwhich unregisters the hooks again.\n\n[  565.221461] WARNING: CPU: 18 PID: 193 at net/netfilter/core.c:495 __nf_unregister_net_hook+0x247/0x270\n[...]\n[  565.246890] CPU: 18 PID: 193 Comm: kworker/u64:1 Tainted: G            E     5.18.0-rc7+ #27\n[  565.253682] Workqueue: netns cleanup_net\n[  565.257059] RIP: 0010:__nf_unregister_net_hook+0x247/0x270\n[...]\n[  565.297120] Call Trace:\n[  565.300900]  <TASK>\n[  565.304683]  nf_tables_flowtable_event+0x16a/0x220 [nf_tables]\n[  565.308518]  raw_notifier_call_chain+0x63/0x80\n[  565.312386]  unregister_netdevice_many+0x54f/0xb50\n\nUnregister and destroy netdev hook from netns pre_exit via kfree_rcu\nso the NETDEV_UNREGISTER path see unregistered hooks."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/netfilter/nf_tables_api.c"
                    ],
                    "versions": [
                        {
                            "version": "b110391d1e806167254d3c7ae5d637191d913175",
                            "lessThan": "b09e6ccf0d12f9356e8e3508d3e3dce126298538",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0a0e5d47670b753d3dbf88f3c77a97a30864d9bd",
                            "lessThan": "3fac8ce48fa9fd61ee9056d3ed48b2edefca8b82",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "767d1216bff82507c945e92fe719dff2083bb2f4",
                            "lessThan": "9c413a8c8bb49cc16796371805ecb260e885bb2b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "767d1216bff82507c945e92fe719dff2083bb2f4",
                            "lessThan": "a3940dcf552f2393d1e8f263b386593f98abe829",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "767d1216bff82507c945e92fe719dff2083bb2f4",
                            "lessThan": "86c0154f4c3a56c5db8b9dd09e3ce885382c2c19",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "767d1216bff82507c945e92fe719dff2083bb2f4",
                            "lessThan": "f9a43007d3f7ba76d5e7f9421094f00f2ef202f8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.4.99",
                            "lessThan": "5.4.262",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.17",
                            "lessThan": "5.10.198",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/netfilter/nf_tables_api.c"
                    ],
                    "versions": [
                        {
                            "version": "5.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.11",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.262",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.198",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.45",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.13",
                            "lessThanOrEqual": "5.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.2",
                            "lessThanOrEqual": "5.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19",
                            "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": "5.4.99",
                                    "versionEndExcluding": "5.4.262"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10.17",
                                    "versionEndExcluding": "5.10.198"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "5.15.45"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "5.17.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "5.18.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "5.19"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/b09e6ccf0d12f9356e8e3508d3e3dce126298538"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3fac8ce48fa9fd61ee9056d3ed48b2edefca8b82"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9c413a8c8bb49cc16796371805ecb260e885bb2b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a3940dcf552f2393d1e8f263b386593f98abe829"
                },
                {
                    "url": "https://git.kernel.org/stable/c/86c0154f4c3a56c5db8b9dd09e3ce885382c2c19"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f9a43007d3f7ba76d5e7f9421094f00f2ef202f8"
                }
            ],
            "title": "netfilter: nf_tables: double hook unregistration in netns path",
            "x_generator": {
                "engine": "bippy-1.2.0"
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}