{"schema":"threatline.record/2","record":{"id":"CVE-2026-98873","aliases":[],"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->dir there.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98873","source_modified_at":"2026-10-23T11:37:14.109Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Linux","vendor":"Linux","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"39cb6ff947c16a576ea68c5f272e634acdcb0085","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"90545aa07a183887e9d72ce573c18e08f62e2c91","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"9c11d7ea5ff4dbe162e79f00188814ef5483c295","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"b7f3ee925aee9f1f547d539bc03c35433c238958","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"824397af7bfe14edad374c64253dae0187ca623d","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"a39ecb856514274c80d0fac4d128dba6b266a8ed","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"241ccd2fed9051db443aadce248fc0ab30f55e97","status":"affected","versionType":"git"},{"version":"0","lessThan":"5.10.271","status":"affected","versionType":"semver"},{"version":"0","lessThan":"5.15.222","status":"affected","versionType":"semver"},{"version":"0","lessThan":"6.1.189","status":"affected","versionType":"semver"},{"version":"0","lessThan":"6.6.158","status":"affected","versionType":"semver"},{"version":"0","lessThan":"6.12.111","status":"affected","versionType":"semver"},{"version":"0","lessThan":"6.18.53","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98873","source_modified_at":"2026-10-23T11:37:14.109Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Linux","vendor":"Linux","versions":[{"version":"5.10.271","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.222","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.189","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.158","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.111","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.53","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98873","source_modified_at":"2026-10-23T11:37:14.109Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"39cb6ff947c16a576ea68c5f272e634acdcb0085","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98873","source_modified_at":"2026-10-23T11:37:14.109Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"90545aa07a183887e9d72ce573c18e08f62e2c91","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98873","source_modified_at":"2026-10-23T11:37:14.109Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"9c11d7ea5ff4dbe162e79f00188814ef5483c295","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98873","source_modified_at":"2026-10-23T11:37:14.109Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"824397af7bfe14edad374c64253dae0187ca623d","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98873","source_modified_at":"2026-10-23T11:37:14.109Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"241ccd2fed9051db443aadce248fc0ab30f55e97","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98873","source_modified_at":"2026-10-23T11:37:14.109Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"5.10.271","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98873","source_modified_at":"2026-10-23T11:37:14.109Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"5.15.222","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98873","source_modified_at":"2026-10-23T11:37:14.109Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"6.1.189","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98873","source_modified_at":"2026-10-23T11:37:14.109Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"6.6.158","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98873","source_modified_at":"2026-10-23T11:37:14.109Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"6.12.111","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98873","source_modified_at":"2026-10-23T11:37:14.109Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"6.18.53","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-23T11:37:14.109Z","modified_at":"2026-10-23T11:37:14.109Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98873","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T11:37:14.109Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/39cb6ff947c16a576ea68c5f272e634acdcb0085"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/90545aa07a183887e9d72ce573c18e08f62e2c91"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/9c11d7ea5ff4dbe162e79f00188814ef5483c295"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/b7f3ee925aee9f1f547d539bc03c35433c238958"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/824397af7bfe14edad374c64253dae0187ca623d"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/a39ecb856514274c80d0fac4d128dba6b266a8ed"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/241ccd2fed9051db443aadce248fc0ab30f55e97"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-23T11:37:14.109Z","content_hash":"4eed8d237648c210f97a24b0046adddbd54e8dc1e7503e317f01128bcbaa99e4"}}