NULL Pointer Dereference Affecting qemu package, versions <1:2.5+dfsg-5ubuntu10.1


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-UBUNTU1604-QEMU-428142
  • published16 Jun 2016
  • disclosed16 Jun 2016

Introduced: 16 Jun 2016

CVE-2016-2391  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 qemu to version 1:2.5+dfsg-5ubuntu10.1 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 Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

The ohci_bus_start function in the USB OHCI emulation support (hw/usb/hcd-ohci.c) in QEMU allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors related to multiple eof_timers.

CVSS Scores

version 3.1