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CVE-2021-3607

MEDIUM CVSS: 6.0 Published: 2022-02-24 Modified: 2026-06-17

Description

An integer overflow was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMA_REG_DSRHIGH" write from the guest due to improper input validation. This flaw allows a privileged guest user to make QEMU allocate a large amount of memory, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

Affected Platforms

Debian Debian LinuxQemu QemuFedoraproject Fedora

Weakness Type

CWE-190, CWE-190

References