{"id":"CVE-2026-46037","summary":"ipv4: icmp: validate reply type before using icmp_pointers","details":"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.","modified":"2026-07-02T09:29:17.337972744Z","published":"2026-05-27T12:56:47.795Z","related":["SUSE-SU-2026:2630-1","SUSE-SU-2026:2631-1","SUSE-SU-2026:2632-1","SUSE-SU-2026:2638-1","SUSE-SU-2026:2658-1","SUSE-SU-2026:2722-1","openSUSE-SU-2026:10954-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46037.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/67bf002a2d7387a6312138210d0bd06e3cf4879b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/92e7c209036dcc0e8ffdf806fdfd3645b263bea5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/93df2af4f491de33827550b9d420f01808c0706b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b3a88fc5ae024d43c5ecf653f3bbe837e4a6dc99"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bc64a66e0b9ad937d3d49934242ee62b01ba9a94"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c2178ff1c70ebfc2ab9651b230c58a34683db759"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d700c34a5d186b9ba0715bcb19e0ff80ffbfbfc1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46037.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46037"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"d329ea5bd8845f0b196bf41b18b6173340d6e0e4"},{"fixed":"b3a88fc5ae024d43c5ecf653f3bbe837e4a6dc99"},{"fixed":"93df2af4f491de33827550b9d420f01808c0706b"},{"fixed":"92e7c209036dcc0e8ffdf806fdfd3645b263bea5"},{"fixed":"bc64a66e0b9ad937d3d49934242ee62b01ba9a94"},{"fixed":"c2178ff1c70ebfc2ab9651b230c58a34683db759"},{"fixed":"d700c34a5d186b9ba0715bcb19e0ff80ffbfbfc1"},{"fixed":"67bf002a2d7387a6312138210d0bd06e3cf4879b"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-46037.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.13.0"},{"fixed":"5.15.209"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.175"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.140"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.86"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.27"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-46037.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"}]}