{"id":"CVE-2026-98417","revision":"18fc24c46d4541c9826aa2287fa92a33","records":[{"revision":"18fc24c46d4541c9826aa2287fa92a33","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98417","aliases":[],"title":"net: xfrm: reject unrepresentable espintcp transport headers","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: xfrm: reject unrepresentable espintcp transport headers\n\nESP-in-TCP can hand xfrm packets whose transport header offset no longer\nfits after the stream parser trims the TCP envelope. The plain transport\nheader reset truncates that offset and triggers the skb warning path.\n\nUse the careful transport-header helper and drop the skb through the\nexisting XFRM error path when the offset cannot be represented.","state":0,"publishedAt":"2026-10-14T13:27:47.816+00:00","modifiedAt":"2026-10-19T09:19:11.04+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/xfrm/espintcp.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"e27cca96cd68fa2c6814c90f9a1cfd36bb68c593\",\n                            \"lessThan\": \"d37a5b87577c4b4c1a1dcb000a9dff1df2cf886b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e27cca96cd68fa2c6814c90f9a1cfd36bb68c593\",\n                            \"lessThan\": \"6c29681207bc213188afa603dff2d55e7178a341\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e27cca96cd68fa2c6814c90f9a1cfd36bb68c593\",\n                            \"lessThan\": \"4a8243fd2e21980fa3fd10c0610e9155057cebd3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e27cca96cd68fa2c6814c90f9a1cfd36bb68c593\",\n                            \"lessThan\": \"b2b84e73e0386ad0b4f9b8d3afde343e761f5275\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e27cca96cd68fa2c6814c90f9a1cfd36bb68c593\",\n                            \"lessThan\": \"327b2a457dd7d5445f7395f371f3c65de79bd5ce\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e27cca96cd68fa2c6814c90f9a1cfd36bb68c593\",\n                            \"lessThan\": \"cce630c751279e974fa0bb574d80575e0cc7e8f3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e27cca96cd68fa2c6814c90f9a1cfd36bb68c593\",\n                            \"lessThan\": \"206f396f46149dc8bc4dfd2b54b9879ba3ee1d7d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e27cca96cd68fa2c6814c90f9a1cfd36bb68c593\",\n                            \"lessThan\": \"96f01b53c2d05e003b040892256de54a586e8529\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/xfrm/espintcp.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.6\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.6\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.271\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.222\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.189\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.158\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.112\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.54\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.8\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/d37a5b87577c4b4c1a1dcb000a9dff1df2cf886b","https://git.kernel.org/stable/c/6c29681207bc213188afa603dff2d55e7178a341","https://git.kernel.org/stable/c/4a8243fd2e21980fa3fd10c0610e9155057cebd3","https://git.kernel.org/stable/c/b2b84e73e0386ad0b4f9b8d3afde343e761f5275","https://git.kernel.org/stable/c/327b2a457dd7d5445f7395f371f3c65de79bd5ce","https://git.kernel.org/stable/c/cce630c751279e974fa0bb574d80575e0cc7e8f3","https://git.kernel.org/stable/c/206f396f46149dc8bc4dfd2b54b9879ba3ee1d7d","https://git.kernel.org/stable/c/96f01b53c2d05e003b040892256de54a586e8529"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98417","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98417","identifiers":["CVE-2026-98417"]},"retained":false,"historicalAffected":[]}],"coverage":[]}