{"id":"CVE-2026-98321","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-\u003enat_hook_ops when the hooks are\nregistered to simplify the error path to decide whether the nat hooks\nneed unwinding.","modified":"2026-10-08T02:50:03.798384541Z","published":"2026-10-06T08:46:15.546Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98321.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/79084567cd082fb4482e1ea457580e7d6504dd99"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cbdd39ce42530a193c56beb206a3356cb6d01016"},{"type":"WEB","url":"https://git.kernel.org/stable/c/df80342f4bfc023ad7d6703df5e27f583ff0cb8d"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98321.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98321"},{"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":"1cd472bf036ca038e783ef5f058f54e45b7e8180"},{"fixed":"79084567cd082fb4482e1ea457580e7d6504dd99"},{"fixed":"df80342f4bfc023ad7d6703df5e27f583ff0cb8d"},{"fixed":"cbdd39ce42530a193c56beb206a3356cb6d01016"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98321.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.18.0"},{"fixed":"6.18.54"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98321.json"}}],"schema_version":"1.9.0"}