{"schema":"threatline.record/2","record":{"id":"CVE-2026-98321","aliases":[],"summary":"netfilter: nf_nat: unregister and release hooks on error","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_nat: unregister and release hooks on error\n\nIf nf_hook_entries_insert_raw() fails, the NAT hooks get never released,\nresulting in a memleak.\n\nPostpone setting nat_proto_net->nat_hook_ops when the hooks are\nregistered to simplify the error path to decide whether the nat hooks\nneed unwinding.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98321","source_modified_at":"2026-10-19T09:17:31.752Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"1cd472bf036ca038e783ef5f058f54e45b7e8180","lessThan":"79084567cd082fb4482e1ea457580e7d6504dd99","status":"affected","versionType":"git"},{"version":"1cd472bf036ca038e783ef5f058f54e45b7e8180","lessThan":"df80342f4bfc023ad7d6703df5e27f583ff0cb8d","status":"affected","versionType":"git"},{"version":"1cd472bf036ca038e783ef5f058f54e45b7e8180","lessThan":"cbdd39ce42530a193c56beb206a3356cb6d01016","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98321","source_modified_at":"2026-10-19T09:17:31.752Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"4.18","status":"affected"},{"version":"0","lessThan":"4.18","status":"unaffected","versionType":"semver"},{"version":"6.18.54","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.8","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98321","source_modified_at":"2026-10-19T09:17:31.752Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"79084567cd082fb4482e1ea457580e7d6504dd99","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00173,"percentile":0.06447,"score_date":"2026-10-23"},"published_at":"2026-10-06T08:46:15.546Z","modified_at":"2026-10-19T09:17:31.752Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98321","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:17:31.752Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98321","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/79084567cd082fb4482e1ea457580e7d6504dd99"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/df80342f4bfc023ad7d6703df5e27f583ff0cb8d"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/cbdd39ce42530a193c56beb206a3356cb6d01016"}],"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":"2026-10-19T09:17:31.752Z","content_hash":"f7bb9cf5b8fc2d932982625099ddd17bcf80158dae64d7f539a164b1f52692a6"}}