Incorrect Type Conversion or Cast Affecting qemu package, versions <1:2.5+dfsg-5ubuntu10.6


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-UBUNTU1604-QEMU-427419
  • published10 Dec 2016
  • disclosed10 Dec 2016

Introduced: 10 Dec 2016

CVE-2016-7156  (opens in a new tab)
CWE-704  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 qemu to version 1:2.5+dfsg-5ubuntu10.6 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.

The pvscsi_convert_sglist function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging an incorrect cast.

CVSS Scores

version 3.1