Buffer Overflow Affecting qemu package, versions <1:2.5+dfsg-1


0.0
critical

Snyk CVSS

    Attack Complexity High
    Scope Changed
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 3.22% (92nd percentile)
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NVD
9 critical
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Red Hat
8.1 high

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  • Snyk ID SNYK-DEBIAN11-QEMU-523520
  • published 8 Jan 2016
  • disclosed 8 Jan 2016

How to fix?

Upgrade Debian:11 qemu to version 1:2.5+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:11 relevant fixed versions and status.

Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet.