VULNERABILITY INTELLIGENCE

CVE-2021-3582

CVSS score6.5 MEDIUM
EPSS probability0.39%
CISA KEVNot currently listed
Published2022-03-25
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

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.

Weakness classification

  • secalert@redhat.com: CWE-119
  • nvd@nist.gov: CWE-119

Primary references