{"cve":"CVE-2021-3582","nvd":{"published":"2022-03-25T19:15:09.127","modified":"2026-06-17T04:05:23.083","status":"Modified","description":"A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. The issue occurs while handling a \"PVRDMA_CMD_CREATE_MR\" command due to improper memory remapping (mremap). This flaw allows a malicious guest to crash the QEMU process on the host. The highest threat from this vulnerability is to system availability.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","score":6.5},"cwes":["CWE-119"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1966266","https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html","https://security.gentoo.org/glsa/202208-27","https://security.netapp.com/advisory/ntap-20220429-0003/","https://bugzilla.redhat.com/show_bug.cgi?id=1966266"],"products":["debian:debian_linux","qemu:qemu"],"source":"nvd","synced_at":"2026-10-19T21:29:06.454770966+00:00"},"epss":{"cve":"CVE-2021-3582","score":0.00386,"percentile":0.32738,"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."]}