{"schema":"threatline.record/2","record":{"id":"CVE-2026-98559","aliases":[],"summary":"net/smc: fix UAF on lgr list traversal in smcr_port_err()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: fix UAF on lgr list traversal in smcr_port_err()\n\nsmcr_port_err() traverses smc_lgr_list.list without holding\nsmc_lgr_list.lock, allowing a concurrent smc_lgr_terminate_sched()\nto free an lgr while it is still being dereferenced.\n\nHold smc_lgr_list.lock across the traversal. Update\nsmc_ib_gid_check() to call smcr_port_err() after releasing the lock.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98559","source_modified_at":"2026-10-19T09:21:43.436Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"541afa10c126b6c22c2a805a559c70cc41fd156e","lessThan":"34bcf11cd2528ae00bb6d764d808083c66824277","status":"affected","versionType":"git"},{"version":"541afa10c126b6c22c2a805a559c70cc41fd156e","lessThan":"0edcc4284392b28826b5d37532b366b291e6e0fa","status":"affected","versionType":"git"},{"version":"541afa10c126b6c22c2a805a559c70cc41fd156e","lessThan":"00a59600ae72d24859d0ad1783a78bc921bc2599","status":"affected","versionType":"git"},{"version":"541afa10c126b6c22c2a805a559c70cc41fd156e","lessThan":"3d35f069e1c119992000d51236dbe54da2d4e61e","status":"affected","versionType":"git"},{"version":"541afa10c126b6c22c2a805a559c70cc41fd156e","lessThan":"3d65a2eb4449fc9658fb860dea893025d028d90e","status":"affected","versionType":"git"},{"version":"541afa10c126b6c22c2a805a559c70cc41fd156e","lessThan":"a9b968e42690d784c241a0761c10253271f7df5d","status":"affected","versionType":"git"},{"version":"541afa10c126b6c22c2a805a559c70cc41fd156e","lessThan":"61cb282fe97b3b0ba32ca09417a693162bf4ae3f","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98559","source_modified_at":"2026-10-19T09:21:43.436Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"5.8","status":"affected"},{"version":"0","lessThan":"5.8","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-2026-98559","source_modified_at":"2026-10-19T09:21:43.436Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"34bcf11cd2528ae00bb6d764d808083c66824277","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98559","source_modified_at":"2026-10-19T09:21:43.436Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"0edcc4284392b28826b5d37532b366b291e6e0fa","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98559","source_modified_at":"2026-10-19T09:21:43.436Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"00a59600ae72d24859d0ad1783a78bc921bc2599","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98559","source_modified_at":"2026-10-19T09:21:43.436Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"3d35f069e1c119992000d51236dbe54da2d4e61e","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98559","source_modified_at":"2026-10-19T09:21:43.436Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"3d65a2eb4449fc9658fb860dea893025d028d90e","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98559","source_modified_at":"2026-10-19T09:21:43.436Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"61cb282fe97b3b0ba32ca09417a693162bf4ae3f","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00205,"percentile":0.10028,"score_date":"2026-10-23"},"published_at":"2026-10-18T15:18:26.349Z","modified_at":"2026-10-19T09:21:43.436Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98559","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:21:43.436Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98559","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/34bcf11cd2528ae00bb6d764d808083c66824277"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/0edcc4284392b28826b5d37532b366b291e6e0fa"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/00a59600ae72d24859d0ad1783a78bc921bc2599"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/3d35f069e1c119992000d51236dbe54da2d4e61e"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/3d65a2eb4449fc9658fb860dea893025d028d90e"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/a9b968e42690d784c241a0761c10253271f7df5d"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/61cb282fe97b3b0ba32ca09417a693162bf4ae3f"}],"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":"2026-10-19T09:21:43.436Z","content_hash":"2c738e2fe69d398b685c995fb8856bdb0e364afce7500306f51b046f5077db21"}}