Improper Access Control Affecting qemu package, versions <2.0.0+dfsg-2ubuntu1.22


Severity

Recommended
medium

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    0.07% (31st percentile)

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  • Snyk ID SNYK-UBUNTU1404-QEMU-427694
  • published 14 Apr 2016
  • disclosed 14 Apr 2016

How to fix?

Upgrade Ubuntu:14.04 qemu to version 2.0.0+dfsg-2ubuntu1.22 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 Ubuntu. See How to fix? for Ubuntu:14.04 relevant fixed versions and status.

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.