{"id":"CVE-2026-99070","revision":"d9508cf643e44523b5804beae0184ade","records":[{"revision":"d9508cf643e44523b5804beae0184ade","observedAt":"2026-10-23T16:01:20.601+00:00","statement":{"source":"cve-program","id":"CVE-2026-99070","aliases":[],"title":"ipv6: do not warn on route notification size race","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: do not warn on route notification size race\n\nfib6_info_hw_flags_set() sizes the skb with rt6_nlmsg_size() and later\nfills it with rt6_fill_node().  With nexthop compatibility mode enabled,\na concurrent replacement can grow the group between these independent\nsnapshots.  rt6_fill_node() can then legitimately return -EMSGSIZE, so\nthe warning does not prove a sizing bug.\n\nRemove the warning.  The existing error path still frees the skb and\nreports the error to listeners.","state":0,"publishedAt":"2026-10-23T12:23:13.342+00:00","modifiedAt":"2026-10-23T12:23:13.342+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/ipv6/route.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"907eea486888cfe118c19759bbc4b8fca2e004df\",\n                            \"lessThan\": \"8a3b935b6b6037eefb36bd27a60793a008358e8d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"907eea486888cfe118c19759bbc4b8fca2e004df\",\n                            \"lessThan\": \"7b112bd43f1172fb152e848570a957467008a5ae\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"907eea486888cfe118c19759bbc4b8fca2e004df\",\n                            \"lessThan\": \"4ac7d92a4698e34e614c254359665b9de1f65283\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"907eea486888cfe118c19759bbc4b8fca2e004df\",\n                            \"lessThan\": \"291fe0bafee78c95f9f2e7f579f17793fd5a1e5a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"907eea486888cfe118c19759bbc4b8fca2e004df\",\n                            \"lessThan\": \"c97426ec649d99596d8969e1a052c16b14b7b485\",\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/ipv6/route.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.12\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.12\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.160\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.113\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.57\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.11\",\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/8a3b935b6b6037eefb36bd27a60793a008358e8d","https://git.kernel.org/stable/c/7b112bd43f1172fb152e848570a957467008a5ae","https://git.kernel.org/stable/c/4ac7d92a4698e34e614c254359665b9de1f65283","https://git.kernel.org/stable/c/291fe0bafee78c95f9f2e7f579f17793fd5a1e5a","https://git.kernel.org/stable/c/c97426ec649d99596d8969e1a052c16b14b7b485"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-99070","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-99070","identifiers":["CVE-2026-99070"]},"retained":false,"historicalAffected":[]}],"coverage":[]}