Out-of-Bounds Affecting qemu package, versions <2.0.0+dfsg-2ubuntu1.21


Severity

Recommended
low

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    7.64% (95th percentile)

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  • Snyk ID SNYK-UBUNTU1404-QEMU-427392
  • published 9 Nov 2015
  • disclosed 9 Nov 2015

How to fix?

Upgrade Ubuntu:14.04 qemu to version 2.0.0+dfsg-2ubuntu1.21 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.

hw/virtio/virtio.c in the Virtual Network Device (virtio-net) support in QEMU, when big or mergeable receive buffers are not supported, allows remote attackers to cause a denial of service (guest network consumption) via a flood of jumbo frames on the (1) tuntap or (2) macvtap interface.

CVSS Scores

version 3.1
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NVD

5.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    Low
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Red Hat

4.3 medium