Loop with Unreachable Exit Condition ('Infinite Loop') 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-427199
  • published5 Oct 2016
  • disclosed5 Oct 2016

Introduced: 5 Oct 2016

CVE-2016-7909  (opens in a new tab)
CWE-835  (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 pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by setting the (1) receive or (2) transmit descriptor ring length to 0.

CVSS Scores

version 3.1