{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98321", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.340Z", "datePublished": "2026-10-06T08:46:15.546Z", "dateUpdated": "2026-10-06T08:46:15.546Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-06T08:46:15.546Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/nf_nat_core.c"], "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"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/nf_nat_core.c"], "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-rc4", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "6.18.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "7.3-rc4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/79084567cd082fb4482e1ea457580e7d6504dd99"}, {"url": "https://git.kernel.org/stable/c/df80342f4bfc023ad7d6703df5e27f583ff0cb8d"}, {"url": "https://git.kernel.org/stable/c/cbdd39ce42530a193c56beb206a3356cb6d01016"}], "title": "netfilter: nf_nat: unregister and release hooks on error", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/netfilter/nf_nat_core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "79084567cd082fb4482e1ea457580e7d6504dd99", "status": "affected", "version": "1cd472bf036ca038e783ef5f058f54e45b7e8180", "versionType": "git"}, {"lessThan": "df80342f4bfc023ad7d6703df5e27f583ff0cb8d", "status": "affected", "version": "1cd472bf036ca038e783ef5f058f54e45b7e8180", "versionType": "git"}, {"lessThan": "cbdd39ce42530a193c56beb206a3356cb6d01016", "status": "affected", "version": "1cd472bf036ca038e783ef5f058f54e45b7e8180", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/netfilter/nf_nat_core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.18"}, {"lessThan": "4.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.54", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.8", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc4", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-98321", "lastModified": "2026-10-06T09:18:24.117", "metrics": {}, "published": "2026-10-06T09:18:24.117", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/79084567cd082fb4482e1ea457580e7d6504dd99"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cbdd39ce42530a193c56beb206a3356cb6d01016"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/df80342f4bfc023ad7d6703df5e27f583ff0cb8d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"created": "2026-10-06T13:00:15.829480+00:00", "updated": "2026-10-06T19:00:06.039280+00:00", "vendors": []}