{"schema":"threatline.record/2","record":{"id":"CVE-2026-98288","aliases":[],"summary":"net: stmmac: fix TSO header length truncation","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: stmmac: fix TSO header length truncation\n\nstmmac_tso_xmit() stores the protocol header length returned by\nstmmac_tso_header_size() in a u8. stmmac_tso_valid_packet() admits\nheaders up to 1023 bytes, so a header longer than 255 bytes wraps modulo\n256 (486 becomes 230, 256 becomes 0).\n\nA TCP over IPv6 socket carrying a few hundred bytes of sticky\ndestination/hop-by-hop options makes skb_tcp_all_headers() exceed 255\nwhile staying below the 1023-byte limit, so such an skb reaches\nstmmac_tso_xmit().\n\nWiden proto_hdr_len to unsigned int, which is sufficient since the value\nis bounded by the hardware limit, and adjust the debug print specifier\naccordingly.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98288","source_modified_at":"2026-10-19T09:16:59.513Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"9edfa7dab8112a012b349b7937f5444fdc21e8f9","lessThan":"bcf6013c2b4d732c6e4bf4d0f6ae4a18d63d414b","status":"affected","versionType":"git"},{"version":"9edfa7dab8112a012b349b7937f5444fdc21e8f9","lessThan":"15989abd74f16f44bf953d056b95f1d2fda9b0cd","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98288","source_modified_at":"2026-10-19T09:16:59.513Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"4.13","status":"affected"},{"version":"0","lessThan":"4.13","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-2026-98288","source_modified_at":"2026-10-19T09:16:59.513Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"15989abd74f16f44bf953d056b95f1d2fda9b0cd","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00162,"percentile":0.05095,"score_date":"2026-10-23"},"published_at":"2026-10-06T08:45:48.856Z","modified_at":"2026-10-19T09:16:59.513Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98288","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:16:59.513Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98288","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/bcf6013c2b4d732c6e4bf4d0f6ae4a18d63d414b"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/15989abd74f16f44bf953d056b95f1d2fda9b0cd"}],"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":"2026-10-19T09:16:59.513Z","content_hash":"5972daac7caef33656386d5a26fc29725f26c338e81548c60fa119898e3e9e18"}}