Loop with Unreachable Exit Condition ('Infinite Loop') Affecting qemu package, versions <1:2.8+dfsg-1


0.0
medium

Snyk CVSS

    Attack Complexity Low
    Privileges Required High
    Availability High

    Threat Intelligence

    EPSS 0.06% (26th percentile)
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NVD
4.4 medium
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Red Hat
3 low

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  • Snyk ID SNYK-DEBIAN10-QEMU-427197
  • published 5 Oct 2016
  • disclosed 5 Oct 2016

How to fix?

Upgrade Debian:10 qemu to version 1:2.8+dfsg-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 Debian. See How to fix? for Debian:10 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.