{"cve":"CVE-2021-47345","nvd":{"published":"2024-05-21T15:15:21.143","modified":"2026-06-17T04:17:15.070","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cma: Fix rdma_resolve_route() memory leak\n\nFix a memory leak when \"mda_resolve_route() is called more than once on\nthe same \"rdma_cm_id\".\n\nThis is possible if cma_query_handler() triggers the\nRDMA_CM_EVENT_ROUTE_ERROR flow which puts the state machine back and\nallows rdma_resolve_route() to be called again.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-401"],"references":["https://git.kernel.org/stable/c/032c68b4f5be128a2167f35b558b7cec88fe4972","https://git.kernel.org/stable/c/07583ba2e2d8947c3d365d97608cb436510885ac","https://git.kernel.org/stable/c/3d08b5917984f737f32d5bee9737b9075c3895c6","https://git.kernel.org/stable/c/40b613db3a95bc27998e4097d74c2f7e5d083a0b","https://git.kernel.org/stable/c/4893c938f2a140a74be91779e45e4a7fa111198f"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47345","score":0.00259,"percentile":0.17592,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}