Improper Access Control Affecting qemu package, versions <1:2.5+dfsg-1ubuntu5


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.07% (32nd percentile)

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  • Snyk IDSNYK-UBUNTU1604-QEMU-427696
  • published14 Apr 2016
  • disclosed14 Apr 2016

Introduced: 14 Apr 2016

CVE-2015-8550  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 qemu to version 1:2.5+dfsg-1ubuntu5 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:16.04 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.