{"id":"CVE-2026-46037","revision":"6b0d05c671654d8ea8ef6540df2f34a6","records":[{"revision":"6b0d05c671654d8ea8ef6540df2f34a6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-46037","aliases":[],"title":"ipv4: icmp: validate reply type before using icmp_pointers","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: icmp: validate reply type before using icmp_pointers\n\nExtended echo replies use ICMP_EXT_ECHOREPLY as the outbound reply type.\nThat value is outside the range covered by icmp_pointers[], which only\ndescribes the traditional ICMP types up to NR_ICMP_TYPES.\n\nAvoid consulting icmp_pointers[] for reply types outside that range, and\nuse array_index_nospec() for the remaining in-range lookup. Normal ICMP\nreplies keep their existing behavior unchanged.","state":0,"publishedAt":"2026-05-27T12:56:47.795+00:00","modifiedAt":"2026-10-19T19:26:41.864+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/ipv4/icmp.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"d329ea5bd8845f0b196bf41b18b6173340d6e0e4\",\n                            \"lessThan\": \"b3a88fc5ae024d43c5ecf653f3bbe837e4a6dc99\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d329ea5bd8845f0b196bf41b18b6173340d6e0e4\",\n                            \"lessThan\": \"93df2af4f491de33827550b9d420f01808c0706b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d329ea5bd8845f0b196bf41b18b6173340d6e0e4\",\n                            \"lessThan\": \"92e7c209036dcc0e8ffdf806fdfd3645b263bea5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d329ea5bd8845f0b196bf41b18b6173340d6e0e4\",\n                            \"lessThan\": \"bc64a66e0b9ad937d3d49934242ee62b01ba9a94\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d329ea5bd8845f0b196bf41b18b6173340d6e0e4\",\n                            \"lessThan\": \"c2178ff1c70ebfc2ab9651b230c58a34683db759\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d329ea5bd8845f0b196bf41b18b6173340d6e0e4\",\n                            \"lessThan\": \"d700c34a5d186b9ba0715bcb19e0ff80ffbfbfc1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d329ea5bd8845f0b196bf41b18b6173340d6e0e4\",\n                            \"lessThan\": \"67bf002a2d7387a6312138210d0bd06e3cf4879b\",\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/ipv4/icmp.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.13\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.13\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.209\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.175\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.140\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.86\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.27\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0.4\",\n                            \"lessThanOrEqual\": \"7.0.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","score":8.2,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/b3a88fc5ae024d43c5ecf653f3bbe837e4a6dc99","https://git.kernel.org/stable/c/93df2af4f491de33827550b9d420f01808c0706b","https://git.kernel.org/stable/c/92e7c209036dcc0e8ffdf806fdfd3645b263bea5","https://git.kernel.org/stable/c/bc64a66e0b9ad937d3d49934242ee62b01ba9a94","https://git.kernel.org/stable/c/c2178ff1c70ebfc2ab9651b230c58a34683db759","https://git.kernel.org/stable/c/d700c34a5d186b9ba0715bcb19e0ff80ffbfbfc1","https://git.kernel.org/stable/c/67bf002a2d7387a6312138210d0bd06e3cf4879b"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-46037","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-46037","identifiers":["CVE-2026-46037"]},"retained":false,"historicalAffected":[]}],"coverage":[]}