Loop with Unreachable Exit Condition ('Infinite Loop') Affecting qemu package, versions <1:2.5+dfsg-2


0.0
medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.06% (25th percentile)
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NVD
5.5 medium
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Red Hat
3 low

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  • Snyk ID SNYK-DEBIANUNSTABLE-QEMU-426908
  • published 23 May 2016
  • disclosed 23 May 2016

How to fix?

Upgrade Debian:unstable qemu to version 1:2.5+dfsg-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 Debian. See How to fix? for Debian:unstable 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.