{"api_version":"1","generated_at":"2026-06-02T14:10:32+00:00","cve":"CVE-2026-45850","urls":{"html":"https://cve.report/CVE-2026-45850","api":"https://cve.report/api/cve/CVE-2026-45850.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-45850","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45850"},"summary":{"title":"ipvs: skip ipv6 extension headers for csum checks","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipvs: skip ipv6 extension headers for csum checks\n\nProtocol checksum validation fails for IPv6 if there are extension\nheaders before the protocol header. iph->len already contains its\noffset, so use it to fix the problem.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-27 14:16:56","updated_at":"2026-05-27 14:48:31"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/05cfe9863ef049d98141dc2969eefde72fb07625","name":"https://git.kernel.org/stable/c/05cfe9863ef049d98141dc2969eefde72fb07625","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a3ca27762ce8476b4fbf9b2a8f5cb74c38e483e4","name":"https://git.kernel.org/stable/c/a3ca27762ce8476b4fbf9b2a8f5cb74c38e483e4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-45850","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45850","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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00:05:21"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/ipvs/ip_vs_proto_sctp.c","net/netfilter/ipvs/ip_vs_proto_tcp.c","net/netfilter/ipvs/ip_vs_proto_udp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a3ca27762ce8476b4fbf9b2a8f5cb74c38e483e4","status":"affected","version":"0bbdd42b7efa66685b6d74701bcde3a596a3a59d","versionType":"git"},{"lessThan":"05cfe9863ef049d98141dc2969eefde72fb07625","status":"affected","version":"0bbdd42b7efa66685b6d74701bcde3a596a3a59d","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/ipvs/ip_vs_proto_sctp.c","net/netfilter/ipvs/ip_vs_proto_tcp.c","net/netfilter/ipvs/ip_vs_proto_udp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.28"},{"lessThan":"2.6.28","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.4","versionStartIncluding":"2.6.28","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"2.6.28","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nipvs: skip ipv6 extension headers for csum checks\n\nProtocol checksum validation fails for IPv6 if there are extension\nheaders before the protocol header. iph->len already contains its\noffset, so use it to fix the problem."}],"providerMetadata":{"dateUpdated":"2026-05-27T12:15:21.389Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/a3ca27762ce8476b4fbf9b2a8f5cb74c38e483e4"},{"url":"https://git.kernel.org/stable/c/05cfe9863ef049d98141dc2969eefde72fb07625"}],"title":"ipvs: skip ipv6 extension headers for csum checks","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-45850","datePublished":"2026-05-27T12:15:21.389Z","dateReserved":"2026-05-13T15:03:33.079Z","dateUpdated":"2026-05-27T12:15:21.389Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-27 14:16:56","lastModifiedDate":"2026-05-27 14:48:31","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"45850","Ordinal":"1","Title":"ipvs: skip ipv6 extension headers for csum checks","CVE":"CVE-2026-45850","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"45850","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nipvs: skip ipv6 extension headers for csum checks\n\nProtocol checksum validation fails for IPv6 if there are extension\nheaders before the protocol header. iph->len already contains its\noffset, so use it to fix the problem.","Type":"Description","Title":"ipvs: skip ipv6 extension headers for csum checks"}]}}}