{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-23278",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:37:45.991Z",
        "datePublished": "2026-03-20T08:08:58.566Z",
        "dateUpdated": "2026-07-04T11:50:28.543Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-04T11:50:28.543Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: always walk all pending catchall elements\n\nDuring transaction processing we might have more than one catchall element:\n1 live catchall element and 1 pending element that is coming as part of the\nnew batch.\n\nIf the map holding the catchall elements is also going away, its\nrequired to toggle all catchall elements and not just the first viable\ncandidate.\n\nOtherwise, we get:\n WARNING: ./include/net/netfilter/nf_tables.h:1281 at nft_data_release+0xb7/0xe0 [nf_tables], CPU#2: nft/1404\n RIP: 0010:nft_data_release+0xb7/0xe0 [nf_tables]\n [..]\n __nft_set_elem_destroy+0x106/0x380 [nf_tables]\n nf_tables_abort_release+0x348/0x8d0 [nf_tables]\n nf_tables_abort+0xcf2/0x3ac0 [nf_tables]\n nfnetlink_rcv_batch+0x9c9/0x20e0 [..]"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "baseScore": 7.8,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "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": "d60be2da67d172aecf866302c91ea11533eca4d9",
                            "lessThan": "c4d4e86fda707d89eaba80e343321737375f8582",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "628bd3e49cba1c066228e23d71a852c23e26da73",
                            "lessThan": "4830fb44d12f586f3f544609e086933649a9175a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "628bd3e49cba1c066228e23d71a852c23e26da73",
                            "lessThan": "eb0948fa13298212c5f8b30ee48efdae4389ab09",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "628bd3e49cba1c066228e23d71a852c23e26da73",
                            "lessThan": "de47a88c6b807910f05703fb6605f7efdaa11417",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "628bd3e49cba1c066228e23d71a852c23e26da73",
                            "lessThan": "77c26b5056d693ffe5e9f040e946251cdb55ae55",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "628bd3e49cba1c066228e23d71a852c23e26da73",
                            "lessThan": "7cb9a23d7ae40a702577d3d8bacb7026f04ac2a9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bc9f791d2593f17e39f87c6e2b3a36549a3705b1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3c7ec098e3b588434a8b07ea9b5b36f04cef1f50",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a136b7942ad2a50de708f76ea299ccb45ac7a7f9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "25aa2ad37c2162be1c0bc4fe6397f7e4c13f00f8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dc7cdf8cbcbf8b13de1df93f356ec04cdeef5c41",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.1.36",
                            "lessThan": "6.1.177",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.316",
                            "lessThan": "4.20",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.262",
                            "lessThan": "5.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.188",
                            "lessThan": "5.11",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.121",
                            "lessThan": "5.16",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3.10",
                            "lessThan": "6.4",
                            "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": "6.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.177",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.144",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.78",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.19",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.9",
                            "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": "6.1.36",
                                    "versionEndExcluding": "6.1.177"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4",
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                                {
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                                    "versionStartIncluding": "6.4",
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                                    "versionStartIncluding": "5.10.188"
                                },
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                                    "versionStartIncluding": "5.15.121"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/c4d4e86fda707d89eaba80e343321737375f8582"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4830fb44d12f586f3f544609e086933649a9175a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/eb0948fa13298212c5f8b30ee48efdae4389ab09"
                },
                {
                    "url": "https://git.kernel.org/stable/c/de47a88c6b807910f05703fb6605f7efdaa11417"
                },
                {
                    "url": "https://git.kernel.org/stable/c/77c26b5056d693ffe5e9f040e946251cdb55ae55"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7cb9a23d7ae40a702577d3d8bacb7026f04ac2a9"
                }
            ],
            "title": "netfilter: nf_tables: always walk all pending catchall elements",
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}