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Resource Exhaustion Affecting qemu package, versions <1:5.0-5

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Scope Changed
    Availability High

    Threat Intelligence

    EPSS 0.05% (14th percentile)
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NVD
6.5 medium
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Red Hat
6.5 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-QEMU-568099
  • published 4 May 2020
  • disclosed 4 May 2020
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Introduced: 4 May 2020

CVE-2020-10717 Open this link in a new tab
CWE-400 Open this link in a new tab

How to fix?

Upgrade Debian:unstable qemu to version 1:5.0-5 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:unstable relevant fixed versions and status.

A potential DoS flaw was found in the virtio-fs shared file system daemon (virtiofsd) implementation of the QEMU version >= v5.0. Virtio-fs is meant to share a host file system directory with a guest via virtio-fs device. If the guest opens the maximum number of file descriptors under the shared directory, a denial of service may occur. This flaw allows a guest user/process to cause this denial of service on the host.