Access Restriction Bypass Affecting qemu package, versions <1:2.2+dfsg-5expubuntu9.4


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-UBUNTU1504-QEMU-428498
  • published12 Aug 2015
  • disclosed12 Aug 2015

Introduced: 12 Aug 2015

CVE-2015-5166  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Ubuntu:15.04 qemu to version 1:2.2+dfsg-5expubuntu9.4 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:15.04 relevant fixed versions and status.

Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice.

CVSS Scores

version 3.1