{"schema":"threatline.record/2","record":{"id":"CVE-2026-98257","aliases":[],"summary":"rds: ib: use rds_conn_drop() on protocol version mismatch","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nrds: ib: use rds_conn_drop() on protocol version mismatch\n\nrds_ib_cm_connect_complete() runs from the RDMA-CM event handler with\nconn->c_cm_lock held.  When the peer negotiates a protocol version\nolder than RDS_PROTOCOL_COMPAT_VERSION, the handler calls\nrds_conn_destroy(), which is only safe in the rmmod path: it\nsynchronously tears the connection down and flush_work()es the\nshutdown work cp_down_w.\n\nThat shutdown work (rds_conn_shutdown()) needs cp_cm_lock, which is\nthe very lock the event handler still holds, so the flush never\ncompletes: the two workers wait on each other and the RDS connection\nworkqueues stall for good.\n\nAll other RDMA-CM failure paths (REJECTED, CONNECT_ERROR,\nDISCONNECTED) use rds_conn_drop(), which marks the connection\nRDS_CONN_ERROR and schedules the shutdown work asynchronously.  Use\nit here as well.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98257","source_modified_at":"2026-10-19T09:16:28.470Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"f147dd9ecabf23fd63d2562ffe64252a0453ecde","lessThan":"424019be3f637da76b74f44a40034669acbb166f","status":"affected","versionType":"git"},{"version":"f147dd9ecabf23fd63d2562ffe64252a0453ecde","lessThan":"14fb90067d13f4494cff0f03243fae3cf2911cbc","status":"affected","versionType":"git"},{"version":"f147dd9ecabf23fd63d2562ffe64252a0453ecde","lessThan":"344c72a0bc2703a6de4918ed935850e07dae3af2","status":"affected","versionType":"git"},{"version":"f147dd9ecabf23fd63d2562ffe64252a0453ecde","lessThan":"b5c9f2951d330d4a198a64d6e60f79b4bd6ef078","status":"affected","versionType":"git"},{"version":"f147dd9ecabf23fd63d2562ffe64252a0453ecde","lessThan":"d392b16acd0908f077289aad8bba066ff16de336","status":"affected","versionType":"git"},{"version":"f147dd9ecabf23fd63d2562ffe64252a0453ecde","lessThan":"65ca0a5037152a5a80b8fe6aac80eb80458be573","status":"affected","versionType":"git"},{"version":"f147dd9ecabf23fd63d2562ffe64252a0453ecde","lessThan":"7d8c22cb2cb1efb5e830a4545c76abf7b35cc2e8","status":"affected","versionType":"git"},{"version":"f147dd9ecabf23fd63d2562ffe64252a0453ecde","lessThan":"f97d8c7bab7843631206a114986c9059da03efeb","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98257","source_modified_at":"2026-10-19T09:16:28.470Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"2.6.37","status":"affected"},{"version":"0","lessThan":"2.6.37","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":"6.18.54","lessThanOrEqual":"6.18.*","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-2026-98257","source_modified_at":"2026-10-19T09:16:28.470Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"424019be3f637da76b74f44a40034669acbb166f","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98257","source_modified_at":"2026-10-19T09:16:28.470Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"14fb90067d13f4494cff0f03243fae3cf2911cbc","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98257","source_modified_at":"2026-10-19T09:16:28.470Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"344c72a0bc2703a6de4918ed935850e07dae3af2","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98257","source_modified_at":"2026-10-19T09:16:28.470Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"65ca0a5037152a5a80b8fe6aac80eb80458be573","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98257","source_modified_at":"2026-10-19T09:16:28.470Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"7d8c22cb2cb1efb5e830a4545c76abf7b35cc2e8","basis":"first unaffected version stated in the CVE record"}],"cvss":7.5,"severity":"High","kev":{"listed":false},"epss":{"probability":0.0053,"percentile":0.44027,"score_date":"2026-10-23"},"published_at":"2026-10-06T08:45:22.722Z","modified_at":"2026-10-19T09:16:28.470Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98257","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:16:28.470Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98257","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/424019be3f637da76b74f44a40034669acbb166f"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/14fb90067d13f4494cff0f03243fae3cf2911cbc"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/344c72a0bc2703a6de4918ed935850e07dae3af2"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/b5c9f2951d330d4a198a64d6e60f79b4bd6ef078"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/d392b16acd0908f077289aad8bba066ff16de336"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/65ca0a5037152a5a80b8fe6aac80eb80458be573"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/7d8c22cb2cb1efb5e830a4545c76abf7b35cc2e8"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/f97d8c7bab7843631206a114986c9059da03efeb"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T09:16:28.470Z","content_hash":"4b7b60aa35b0eb75879f8ff166b5f79dcc884078b6fe3ded76278b8b6fcbb0ba"}}