{"api_version":"1","generated_at":"2026-10-22T17:06:03+00:00","cve":"CVE-2026-98614","urls":{"html":"https://cve.report/CVE-2026-98614","api":"https://cve.report/api/cve/CVE-2026-98614.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98614","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98614"},"summary":{"title":"sctp: avoid livelock while updating retransmit path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: avoid livelock while updating retransmit path\n\nsctp_assoc_update_retran_path() can loop forever when every remaining\ntransport, including retran_path, is SCTP_UNCONFIRMED: the state check\nruns before the wraparound test, so the loop cannot observe that it has\ncompleted a full pass.\n\nFix this by considering a transport only when it is not UNCONFIRMED,\nthen checking whether the walk has returned to retran_path. This makes\nthe full-pass termination independent of the transport state while\npreserving the existing fallback selection semantics.\n\nAlso restore the NULL guard around the retran_path assignment. In the\nall-UNCONFIRMED case there is no eligible replacement transport, and\ninstalling NULL would leave later retransmit-path users and the debug\nprint with a NULL path.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-18 16:17:14","updated_at":"2026-10-19 10:19:25"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/d2c31b837406395e576afeb25958c98e9938f3f6","name":"https://git.kernel.org/stable/c/d2c31b837406395e576afeb25958c98e9938f3f6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3fe624c3843694ab096fdb198526ba0c659febbe","name":"https://git.kernel.org/stable/c/3fe624c3843694ab096fdb198526ba0c659febbe","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/83b1a7f9e718828ef364a7b004254ebb2d0035fe","name":"https://git.kernel.org/stable/c/83b1a7f9e718828ef364a7b004254ebb2d0035fe","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c9338057df1025f578fe7d0ff08bada87b8b838d","name":"https://git.kernel.org/stable/c/c9338057df1025f578fe7d0ff08bada87b8b838d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/43410c1f2db53516e95ddd7e5b4b02f495b78121","name":"https://git.kernel.org/stable/c/43410c1f2db53516e95ddd7e5b4b02f495b78121","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d893a7cc1cb41dd510f338bb2bfd8f29b14eaf49","name":"https://git.kernel.org/stable/c/d893a7cc1cb41dd510f338bb2bfd8f29b14eaf49","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/173610fff55022a5ad1579fbcc7faa97467b58b7","name":"https://git.kernel.org/stable/c/173610fff55022a5ad1579fbcc7faa97467b58b7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ddc34cc0834c873871e88b055ee6a260676efe97","name":"https://git.kernel.org/stable/c/ddc34cc0834c873871e88b055ee6a260676efe97","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98614","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98614","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4c47af4d5eb2c2f78f886079a3920a7078a6f0a0 3fe624c3843694ab096fdb198526ba0c659febbe git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4c47af4d5eb2c2f78f886079a3920a7078a6f0a0 43410c1f2db53516e95ddd7e5b4b02f495b78121 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4c47af4d5eb2c2f78f886079a3920a7078a6f0a0 d893a7cc1cb41dd510f338bb2bfd8f29b14eaf49 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4c47af4d5eb2c2f78f886079a3920a7078a6f0a0 83b1a7f9e718828ef364a7b004254ebb2d0035fe git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sctp/associola.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"3fe624c3843694ab096fdb198526ba0c659febbe","status":"affected","version":"4c47af4d5eb2c2f78f886079a3920a7078a6f0a0","versionType":"git"},{"lessThan":"43410c1f2db53516e95ddd7e5b4b02f495b78121","status":"affected","version":"4c47af4d5eb2c2f78f886079a3920a7078a6f0a0","versionType":"git"},{"lessThan":"d893a7cc1cb41dd510f338bb2bfd8f29b14eaf49","status":"affected","version":"4c47af4d5eb2c2f78f886079a3920a7078a6f0a0","versionType":"git"},{"lessThan":"83b1a7f9e718828ef364a7b004254ebb2d0035fe","status":"affected","version":"4c47af4d5eb2c2f78f886079a3920a7078a6f0a0","versionType":"git"},{"lessThan":"173610fff55022a5ad1579fbcc7faa97467b58b7","status":"affected","version":"4c47af4d5eb2c2f78f886079a3920a7078a6f0a0","versionType":"git"},{"lessThan":"c9338057df1025f578fe7d0ff08bada87b8b838d","status":"affected","version":"4c47af4d5eb2c2f78f886079a3920a7078a6f0a0","versionType":"git"},{"lessThan":"ddc34cc0834c873871e88b055ee6a260676efe97","status":"affected","version":"4c47af4d5eb2c2f78f886079a3920a7078a6f0a0","versionType":"git"},{"lessThan":"d2c31b837406395e576afeb25958c98e9938f3f6","status":"affected","version":"4c47af4d5eb2c2f78f886079a3920a7078a6f0a0","versionType":"git"},{"status":"affected","version":"8ceaec02b17397d12719a282945abc95f8149d9f","versionType":"git"},{"status":"affected","version":"d2c2bdcdd8c5ce3d2a68aa3353ed1f340c3e500e","versionType":"git"},{"lessThan":"3.11","status":"affected","version":"3.10.106","versionType":"semver"},{"lessThan":"3.13","status":"affected","version":"3.12.71","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/sctp/associola.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.14"},{"lessThan":"3.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.271","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.222","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.189","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.158","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.112","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.55","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.271","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.222","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.189","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.158","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.112","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.55","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.9","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10.106","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12.71","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: avoid livelock while updating retransmit path\n\nsctp_assoc_update_retran_path() can loop forever when every remaining\ntransport, including retran_path, is SCTP_UNCONFIRMED: the state check\nruns before the wraparound test, so the loop cannot observe that it has\ncompleted a full pass.\n\nFix this by considering a transport only when it is not UNCONFIRMED,\nthen checking whether the walk has returned to retran_path. This makes\nthe full-pass termination independent of the transport state while\npreserving the existing fallback selection semantics.\n\nAlso restore the NULL guard around the retran_path assignment. In the\nall-UNCONFIRMED case there is no eligible replacement transport, and\ninstalling NULL would leave later retransmit-path users and the debug\nprint with a NULL path."}],"providerMetadata":{"dateUpdated":"2026-10-19T09:22:42.185Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/3fe624c3843694ab096fdb198526ba0c659febbe"},{"url":"https://git.kernel.org/stable/c/43410c1f2db53516e95ddd7e5b4b02f495b78121"},{"url":"https://git.kernel.org/stable/c/d893a7cc1cb41dd510f338bb2bfd8f29b14eaf49"},{"url":"https://git.kernel.org/stable/c/83b1a7f9e718828ef364a7b004254ebb2d0035fe"},{"url":"https://git.kernel.org/stable/c/173610fff55022a5ad1579fbcc7faa97467b58b7"},{"url":"https://git.kernel.org/stable/c/c9338057df1025f578fe7d0ff08bada87b8b838d"},{"url":"https://git.kernel.org/stable/c/ddc34cc0834c873871e88b055ee6a260676efe97"},{"url":"https://git.kernel.org/stable/c/d2c31b837406395e576afeb25958c98e9938f3f6"}],"title":"sctp: avoid livelock while updating retransmit path","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98614","datePublished":"2026-10-18T15:19:34.494Z","dateReserved":"2026-09-25T10:25:14.360Z","dateUpdated":"2026-10-19T09:22:42.185Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-18 16:17:14","lastModifiedDate":"2026-10-19 10:19:25","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98614","Ordinal":"1","Title":"sctp: avoid livelock while updating retransmit path","CVE":"CVE-2026-98614","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98614","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: avoid livelock while updating retransmit path\n\nsctp_assoc_update_retran_path() can loop forever when every remaining\ntransport, including retran_path, is SCTP_UNCONFIRMED: the state check\nruns before the wraparound test, so the loop cannot observe that it has\ncompleted a full pass.\n\nFix this by considering a transport only when it is not UNCONFIRMED,\nthen checking whether the walk has returned to retran_path. This makes\nthe full-pass termination independent of the transport state while\npreserving the existing fallback selection semantics.\n\nAlso restore the NULL guard around the retran_path assignment. In the\nall-UNCONFIRMED case there is no eligible replacement transport, and\ninstalling NULL would leave later retransmit-path users and the debug\nprint with a NULL path.","Type":"Description","Title":"sctp: avoid livelock while updating retransmit path"}]}}}