{"schema":"threatline.record/2","record":{"id":"CVE-2026-98577","aliases":[],"summary":"nfc: llcp: fix WKS SAP hijacking via prefix match in nfc_llcp_wks_sap()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: llcp: fix WKS SAP hijacking via prefix match in nfc_llcp_wks_sap()\n\nnfc_llcp_wks_sap() compares only service_name_len bytes, so a short\nservice_name like \"u\" matches longer WKS strings like \"urn:nfc:sn:snep\".\nFix by requiring exact length match before strncmp().","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98577","source_modified_at":"2026-10-19T09:22:02.632Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"d646960f7986fefb460a2b062d5ccc8ccfeacc3a","lessThan":"0c83a8a45fed256ccc5fe7160b436b671fc79fb8","status":"affected","versionType":"git"},{"version":"d646960f7986fefb460a2b062d5ccc8ccfeacc3a","lessThan":"aa555ed5ed0d15efbaf27e0e9f152a6df715278a","status":"affected","versionType":"git"},{"version":"d646960f7986fefb460a2b062d5ccc8ccfeacc3a","lessThan":"32b5f0b338bf59391a1cff9a6190a72c4d2c1ba8","status":"affected","versionType":"git"},{"version":"d646960f7986fefb460a2b062d5ccc8ccfeacc3a","lessThan":"6fad2c34d451d11a9f3f946cae1105fee91d96b8","status":"affected","versionType":"git"},{"version":"d646960f7986fefb460a2b062d5ccc8ccfeacc3a","lessThan":"bf41af8f910cbb5d776a1dfa0671d31a7e262e28","status":"affected","versionType":"git"},{"version":"d646960f7986fefb460a2b062d5ccc8ccfeacc3a","lessThan":"f234197f3bda3aea5d4b1e591d6bcb3660a8b3fc","status":"affected","versionType":"git"},{"version":"d646960f7986fefb460a2b062d5ccc8ccfeacc3a","lessThan":"0a0412745c86acd089c6460da715ab966b1615e7","status":"affected","versionType":"git"},{"version":"d646960f7986fefb460a2b062d5ccc8ccfeacc3a","lessThan":"408cff6bd60636df201274d320edfdfde9ed41db","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98577","source_modified_at":"2026-10-19T09:22:02.632Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"3.3","status":"affected"},{"version":"0","lessThan":"3.3","status":"unaffected","versionType":"semver"},{"version":"5.10.271","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.222","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.189","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.158","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.112","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.55","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.9","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-2026-98577","source_modified_at":"2026-10-19T09:22:02.632Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"0c83a8a45fed256ccc5fe7160b436b671fc79fb8","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98577","source_modified_at":"2026-10-19T09:22:02.632Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"32b5f0b338bf59391a1cff9a6190a72c4d2c1ba8","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98577","source_modified_at":"2026-10-19T09:22:02.632Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"6fad2c34d451d11a9f3f946cae1105fee91d96b8","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98577","source_modified_at":"2026-10-19T09:22:02.632Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"0a0412745c86acd089c6460da715ab966b1615e7","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98577","source_modified_at":"2026-10-19T09:22:02.632Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"408cff6bd60636df201274d320edfdfde9ed41db","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.0021,"percentile":0.10711,"score_date":"2026-10-23"},"published_at":"2026-10-18T15:18:47.635Z","modified_at":"2026-10-19T09:22:02.632Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98577","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:22:02.632Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98577","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/0c83a8a45fed256ccc5fe7160b436b671fc79fb8"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/aa555ed5ed0d15efbaf27e0e9f152a6df715278a"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/32b5f0b338bf59391a1cff9a6190a72c4d2c1ba8"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/6fad2c34d451d11a9f3f946cae1105fee91d96b8"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/bf41af8f910cbb5d776a1dfa0671d31a7e262e28"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/f234197f3bda3aea5d4b1e591d6bcb3660a8b3fc"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/0a0412745c86acd089c6460da715ab966b1615e7"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/408cff6bd60636df201274d320edfdfde9ed41db"}],"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":"2026-10-19T09:22:02.632Z","content_hash":"0cb0fbc7ef65712111516f33eb97cc30653c5d98011bda59ef4dbee55df1f749"}}