{"api_version":"1","generated_at":"2026-09-09T13:16:52+00:00","cve":"CVE-2026-80669","urls":{"html":"https://cve.report/CVE-2026-80669","api":"https://cve.report/api/cve/CVE-2026-80669.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80669","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80669"},"summary":{"title":"bpf: Disable xfrm_decode_session hook attachment","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disable xfrm_decode_session hook attachment\n\nBPF LSM programs can currently attach to xfrm_decode_session(). That\nhook may return an error, but security_skb_classify_flow() calls it\nfrom a void path and triggers BUG_ON() if an error is returned.\n\nDisable BPF attachment to the hook to prevent a BPF LSM program from\nturning packet classification into a full panic.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-28 08:16:52","updated_at":"2026-08-28 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80669","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9e4e01dfd3254c7f04f24b7c6b29596bc12332f3 aa265d47308775c5501073b08133623bcb5421f9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9e4e01dfd3254c7f04f24b7c6b29596bc12332f3 6b44c6660aa1c9b843e450a623ac4a8484919dce git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9e4e01dfd3254c7f04f24b7c6b29596bc12332f3 4ae780d173ef40d4f7cb76935dc2d55fbf380009 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9e4e01dfd3254c7f04f24b7c6b29596bc12332f3 49fa1be621dde8f526d36e5791aded8fafda1e9c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disable xfrm_decode_session hook attachment\n\nBPF LSM programs can currently attach to xfrm_decode_session(). That\nhook may return an error, but security_skb_classify_flow() calls it\nfrom a void path and triggers BUG_ON() if an error is returned.\n\nDisable BPF attachment to the hook to prevent a BPF LSM program from\nturning packet classification into a full panic."}],"providerMetadata":{"dateUpdated":"2026-08-28T06:49:10.511Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/aa265d47308775c5501073b08133623bcb5421f9"},{"url":"https://git.kernel.org/stable/c/6b44c6660aa1c9b843e450a623ac4a8484919dce"},{"url":"https://git.kernel.org/stable/c/4ae780d173ef40d4f7cb76935dc2d55fbf380009"},{"url":"https://git.kernel.org/stable/c/49fa1be621dde8f526d36e5791aded8fafda1e9c"},{"url":"https://git.kernel.org/stable/c/1bb3b6a5c3c5cc814eae4ff0212fdced36f8bce9"},{"url":"https://git.kernel.org/stable/c/12091470c6b4c1c14b2de12dcbae2ada6cb6d20b"}],"title":"bpf: Disable xfrm_decode_session hook attachment","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80669","datePublished":"2026-08-28T06:49:10.511Z","dateReserved":"2026-08-26T14:34:25.782Z","dateUpdated":"2026-08-28T06:49:10.511Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-28 08:16:52","lastModifiedDate":"2026-08-28 08:16:52","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80669","Ordinal":"1","Title":"bpf: Disable xfrm_decode_session hook attachment","CVE":"CVE-2026-80669","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80669","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disable xfrm_decode_session hook attachment\n\nBPF LSM programs can currently attach to xfrm_decode_session(). That\nhook may return an error, but security_skb_classify_flow() calls it\nfrom a void path and triggers BUG_ON() if an error is returned.\n\nDisable BPF attachment to the hook to prevent a BPF LSM program from\nturning packet classification into a full panic.","Type":"Description","Title":"bpf: Disable xfrm_decode_session hook attachment"}]}}}