Loop with Unreachable Exit Condition ('Infinite Loop') Affecting qemu package, versions <2.0.0+dfsg-2ubuntu1.22


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-UBUNTU1404-QEMU-426906
  • published23 May 2016
  • disclosed23 May 2016

Introduced: 23 May 2016

CVE-2015-8558  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Ubuntu:14.04 qemu to version 2.0.0+dfsg-2ubuntu1.22 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:14.04 relevant fixed versions and status.

The ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular isochronous transfer descriptor (iTD) list.

CVSS Scores

version 3.1