Security Advisory

CVE-2021-3607

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2022-02-24 18:50:19

Last updated 2024-08-03 17:01:07

Assigner redhat

State PUBLISHED

Description

An integer overflow was found in the QEMU implementation of VMWares 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.

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