Use After Free Affecting qemu package, versions <2.0.0+dfsg-2ubuntu1.47


Severity

Recommended
low

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    0.91% (83rd percentile)

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  • Snyk ID SNYK-UBUNTU1404-QEMU-514523
  • published 6 Sep 2019
  • disclosed 6 Sep 2019

How to fix?

Upgrade Ubuntu:14.04 qemu to version 2.0.0+dfsg-2ubuntu1.47 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.

libslirp 4.0.0, as used in QEMU 4.1.0, has a use-after-free in ip_reass in ip_input.c.

CVSS Scores

version 3.1
Expand this section

NVD

7.5 high
  • 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)
    High