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CVE-2021-3582

MEDIUM CVSS: 6.5 Published: 2022-03-25 Modified: 2026-06-17

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.

Affected Platforms

Debian Debian LinuxQemu Qemu

Weakness Type

CWE-119, CWE-119

References