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Out-of-Bounds Affecting qemu package, versions <1:5.2+dfsg-11

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Scope Changed
    Availability High

    Threat Intelligence

    EPSS 0.05% (21st percentile)
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NVD
6.5 medium
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SUSE
3.2 low
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Red Hat
3.2 low

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  • Snyk ID SNYK-DEBIAN12-QEMU-1558301
  • published 18 Jun 2021
  • disclosed 25 Mar 2022
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Introduced: 18 Jun 2021

CVE-2021-3582 Open this link in a new tab
CWE-119 Open this link in a new tab

How to fix?

Upgrade Debian:12 qemu to version 1:5.2+dfsg-11 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

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.