Improper Privilege Management Affecting qemu package, versions <2.1+dfsg-1


low

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.04% (11th percentile)
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NVD
7.8 high
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Red Hat
4.9 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-QEMU-428414
  • published 27 Jun 2018
  • disclosed 28 May 2021

How to fix?

Upgrade Debian:unstable qemu to version 2.1+dfsg-1 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.

An user able to alter the savevm data (either on the disk or over the wire during migration) could use this flaw to to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process.