NULL Pointer Dereference Affecting qemu package, versions <1:2.3+dfsg-5ubuntu9.2


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.42% (34th percentile)

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  • Snyk IDSNYK-UBUNTU1510-QEMU-427148
  • published29 Dec 2016
  • disclosed29 Dec 2016

Introduced: 29 Dec 2016

CVE-2016-2197  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Ubuntu:15.10 qemu to version 1:2.3+dfsg-5ubuntu9.2 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:15.10 relevant fixed versions and status.

QEMU (aka Quick Emulator) built with an IDE AHCI emulation support is vulnerable to a null pointer dereference flaw. It occurs while unmapping the Frame Information Structure (FIS) and Command List Block (CLB) entries. A privileged user inside guest could use this flaw to crash the QEMU process instance resulting in DoS.

CVSS Base Scores

version 3.1