{"schema":"threatline.record/2","record":{"id":"CVE-2026-98793","aliases":[],"summary":"netfilter: bpf: reject invalid NAT manipulation types","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: bpf: reject invalid NAT manipulation types\n\nAs bpf_ct_set_nat_info() is not validating the NAT manipulation type a\nwrong value can be passed directly to nf_nat_setup_info(). This triggers\nthe WARN_ON() at nf_nat_setup_info() and if panic_on_warn isn't set,\nthen IPS_SRC_NAT_DONE is set without adding nat_bysource and conntrack\ncleanup tries to unlink an uninitialized hlist node.\n\nFix this by checking that NAT manipulation type is correct before\ncalling nf_nat_setup_info(). In addition, if the WARN_ON is hit, return\nNF_DROP instead of continuing with the processing to avoid similar\nsituations in the future.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98793","source_modified_at":"2026-10-21T12:57:02.773Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"0fabd2aa199faeb8754aee94658f2c48ccb2c8c3","lessThan":"752492947be3123ea6c689e2f93ae04ecd675d42","status":"affected","versionType":"git"},{"version":"0fabd2aa199faeb8754aee94658f2c48ccb2c8c3","lessThan":"ea777dc90ab37e64fa4b92f6fcf3b5edcef5e058","status":"affected","versionType":"git"},{"version":"0fabd2aa199faeb8754aee94658f2c48ccb2c8c3","lessThan":"f6143ae109df56d51d5536e813deb19eee7a6205","status":"affected","versionType":"git"},{"version":"0fabd2aa199faeb8754aee94658f2c48ccb2c8c3","lessThan":"58108f05b0502448f6bb612ee2eccc63bd6449cb","status":"affected","versionType":"git"},{"version":"0fabd2aa199faeb8754aee94658f2c48ccb2c8c3","lessThan":"16d464013ec2267b00a83f4bfbb97b3ecc63bfa7","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98793","source_modified_at":"2026-10-21T12:57:02.773Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"6.1","status":"affected"},{"version":"0","lessThan":"6.1","status":"unaffected","versionType":"semver"},{"version":"6.6.160","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.113","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.56","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.10","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-2026-98793","source_modified_at":"2026-10-21T12:57:02.773Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"752492947be3123ea6c689e2f93ae04ecd675d42","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98793","source_modified_at":"2026-10-21T12:57:02.773Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"58108f05b0502448f6bb612ee2eccc63bd6449cb","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98793","source_modified_at":"2026-10-21T12:57:02.773Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"16d464013ec2267b00a83f4bfbb97b3ecc63bfa7","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00168,"percentile":0.05741,"score_date":"2026-10-23"},"published_at":"2026-10-18T15:48:33.555Z","modified_at":"2026-10-21T12:57:02.773Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98793","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-21T12:57:02.773Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98793","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/752492947be3123ea6c689e2f93ae04ecd675d42"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/ea777dc90ab37e64fa4b92f6fcf3b5edcef5e058"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/f6143ae109df56d51d5536e813deb19eee7a6205"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/58108f05b0502448f6bb612ee2eccc63bd6449cb"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/16d464013ec2267b00a83f4bfbb97b3ecc63bfa7"}],"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":"2026-10-21T12:57:02.773Z","content_hash":"b3d005889794185604e327c2ed32a0790e06a6b15a2ec9b6eace68f726c4aedf"}}