Divide By Zero Affecting qemu package, versions <1:2.8+dfsg-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-DEBIAN13-QEMU-5693420
  • published23 Dec 2016
  • disclosed23 Dec 2016

Introduced: 23 Dec 2016

CVE-2016-9921  (opens in a new tab)
CWE-369  (opens in a new tab)

How to fix?

Upgrade Debian:13 qemu to version 1:2.8+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:13 relevant fixed versions and status.

Quick emulator (Qemu) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to a divide by zero issue. It could occur while copying VGA data when cirrus graphics mode was set to be VGA. A privileged user inside guest could use this flaw to crash the Qemu process instance on the host, resulting in DoS.

CVSS Scores

version 3.1