CVE-2026-23278

{"id": "CVE-2026-23278", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-23278", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:07:21.674772Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "25aa2ad37c2162be1c0bc4fe6397f7e4c13f00f8", "lessThan": "ae8f3cedc5f5653a5bed45c5ed016fe156e2af55", "versionType": "git"}, {"status": "affected", "version": "d60be2da67d172aecf866302c91ea11533eca4d9", "lessThan": "c4d4e86fda707d89eaba80e343321737375f8582", "versionType": "git"}, {"status": "affected", "version": "628bd3e49cba1c066228e23d71a852c23e26da73", "lessThan": "4830fb44d12f586f3f544609e086933649a9175a", "versionType": "git"}, {"status": "affected", "version": "628bd3e49cba1c066228e23d71a852c23e26da73", "lessThan": "eb0948fa13298212c5f8b30ee48efdae4389ab09", "versionType": "git"}, {"status": "affected", "version": "628bd3e49cba1c066228e23d71a852c23e26da73", "lessThan": "de47a88c6b807910f05703fb6605f7efdaa11417", "versionType": "git"}, {"status": "affected", "version": "628bd3e49cba1c066228e23d71a852c23e26da73", "lessThan": "77c26b5056d693ffe5e9f040e946251cdb55ae55", "versionType": "git"}, {"status": "affected", "version": "628bd3e49cba1c066228e23d71a852c23e26da73", "lessThan": "7cb9a23d7ae40a702577d3d8bacb7026f04ac2a9", "versionType": "git"}, {"status": "affected", "version": "bc9f791d2593f17e39f87c6e2b3a36549a3705b1", "versionType": "git"}, {"status": "affected", "version": "3c7ec098e3b588434a8b07ea9b5b36f04cef1f50", "versionType": "git"}, {"status": "affected", "version": "a136b7942ad2a50de708f76ea299ccb45ac7a7f9", "versionType": "git"}, {"status": "affected", "version": "dc7cdf8cbcbf8b13de1df93f356ec04cdeef5c41", "versionType": "git"}, {"status": "affected", "version": "5.15.121", "lessThan": "5.15.224", "versionType": "semver"}, {"status": "affected", "version": "6.1.36", "lessThan": "6.1.177", "versionType": "semver"}, {"status": "affected", "version": "4.19.316", "lessThan": "4.20", "versionType": "semver"}, {"status": "affected", "version": "5.4.262", "lessThan": "5.5", "versionType": "semver"}, {"status": "affected", "version": "5.10.188", "lessThan": "5.11", "versionType": "semver"}, {"status": "affected", "version": "6.3.10", "lessThan": "6.4", "versionType": "semver"}], "programFiles": ["net/netfilter/nf_tables_api.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.4"}, {"status": "unaffected", "version": "0", "lessThan": "6.4", "versionType": "semver"}, {"status": "unaffected", "version": "5.15.224", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.177", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.144", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.78", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.19", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.9", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/netfilter/nf_tables_api.c"], "defaultStatus": "affected"}]}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "affectedData": [{"vendor": "Siemens", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}]}], "published": "2026-03-20T09:16:13.690", "references": [{"url": "https://git.kernel.org/stable/c/4830fb44d12f586f3f544609e086933649a9175a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/77c26b5056d693ffe5e9f040e946251cdb55ae55", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7cb9a23d7ae40a702577d3d8bacb7026f04ac2a9", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ae8f3cedc5f5653a5bed45c5ed016fe156e2af55", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c4d4e86fda707d89eaba80e343321737375f8582", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/de47a88c6b807910f05703fb6605f7efdaa11417", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/eb0948fa13298212c5f8b30ee48efdae4389ab09", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html", "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-416"}]}], "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 [..]"}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nnetfilter: nf_tables: siempre recorrer todos los elementos catchall pendientes\n\nDurante el procesamiento de transacciones podr\u00edamos tener m\u00e1s de un elemento catchall:\n1 elemento catchall activo y 1 elemento pendiente que viene como parte del nuevo lote.\n\nSi el mapa que contiene los elementos catchall tambi\u00e9n va a desaparecer, es necesario alternar todos los elementos catchall y no solo el primer candidato viable.\n\nDe lo contrario, obtenemos:\n ADVERTENCIA: ./include/net/netfilter/nf_tables.h:1281 en 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 [..]"}], "lastModified": "2026-10-30T13:18:35.520", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "76EC9BF9-9775-4D90-B594-4C2AB71E1F86", "versionEndExcluding": "4.20", "versionStartIncluding": "4.19.316"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5CE7F771-8144-4AEC-B6E3-5F4830BD8EB7", "versionEndExcluding": "5.5", "versionStartIncluding": "5.4.262"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6D42E8C7-CD33-432A-AC09-DC524C88ECE4", "versionEndExcluding": "5.11", "versionStartIncluding": "5.10.188"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F3AFFFEE-0707-48FE-B692-4AB92FDAA922", "versionEndExcluding": "5.16", "versionStartIncluding": "5.15.121"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CA01A6C2-268C-47EA-B548-1E6808D167C9", "versionEndExcluding": "6.2", "versionStartIncluding": "6.1.36"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3E002324-2B5E-4373-A29E-1D5D0FC97F6F", "versionEndExcluding": "6.4", "versionStartIncluding": "6.3.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "951BA359-3D8C-4EA2-81F5-D8A2DB4137E9", "versionEndExcluding": "6.12.78", "versionStartIncluding": "6.4.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D394AC60-6F28-435F-872A-CCDF384B8331", "versionEndExcluding": "6.18.19", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E825E7C3-FEAC-4FD3-8A81-78D7387948C9", "versionEndExcluding": "6.19.9", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F666C8D8-6538-46D4-B318-87610DE64C34"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}