{"id":"CVE-2026-98873","summary":"netfilter: nf_conntrack_expect: zero at allocation time","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_conntrack_expect: zero at allocation time\n\nThere are occasional LLM hints wrt. leaking uninitialized data to\nuserspace via ctnetlink.  Just zero at allocation time,\nexpectations are not frequently used these days.\n\nIntentionally keeps _init as-is because we could theoretically\nsupport re-init, so add the missing exp-\u003edir there.","modified":"2026-10-28T02:32:36.007101574Z","published":"2026-10-23T11:37:14.109Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98873.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/241ccd2fed9051db443aadce248fc0ab30f55e97"},{"type":"WEB","url":"https://git.kernel.org/stable/c/39cb6ff947c16a576ea68c5f272e634acdcb0085"},{"type":"WEB","url":"https://git.kernel.org/stable/c/824397af7bfe14edad374c64253dae0187ca623d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/90545aa07a183887e9d72ce573c18e08f62e2c91"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9c11d7ea5ff4dbe162e79f00188814ef5483c295"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a39ecb856514274c80d0fac4d128dba6b266a8ed"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b7f3ee925aee9f1f547d539bc03c35433c238958"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98873.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98873"},{"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":"076a0ca02644657b13e4af363f487ced2942e9cb"},{"fixed":"39cb6ff947c16a576ea68c5f272e634acdcb0085"},{"fixed":"90545aa07a183887e9d72ce573c18e08f62e2c91"},{"fixed":"9c11d7ea5ff4dbe162e79f00188814ef5483c295"},{"fixed":"b7f3ee925aee9f1f547d539bc03c35433c238958"},{"fixed":"824397af7bfe14edad374c64253dae0187ca623d"},{"fixed":"a39ecb856514274c80d0fac4d128dba6b266a8ed"},{"fixed":"241ccd2fed9051db443aadce248fc0ab30f55e97"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-98873.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.4.0"},{"fixed":"5.10.271"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.222"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.189"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.158"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.111"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.53"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-98873.json"}}],"schema_version":"1.9.2"}