{"cve":"CVE-2021-47378","nvd":{"published":"2024-05-21T15:15:23.527","modified":"2026-06-17T04:17:19.917","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-rdma: destroy cm id before destroy qp to avoid use after free\n\nWe should always destroy cm_id before destroy qp to avoid to get cma\nevent after qp was destroyed, which may lead to use after free.\nIn RDMA connection establishment error flow, don't destroy qp in cm\nevent handler.Just report cm_error to upper level, qp will be destroy\nin nvme_rdma_alloc_queue() after destroy cm id.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-416"],"references":["https://git.kernel.org/stable/c/9817d763dbe15327b9b3ff4404fa6f27f927e744","https://git.kernel.org/stable/c/d268a182c56e8361e19fb781137411643312b994","https://git.kernel.org/stable/c/ecf0dc5a904830c926a64feffd8e01141f89822f","https://git.kernel.org/stable/c/9817d763dbe15327b9b3ff4404fa6f27f927e744","https://git.kernel.org/stable/c/d268a182c56e8361e19fb781137411643312b994"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47378","score":0.01175,"percentile":0.67576,"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."]}