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NULL Pointer Dereference Affecting qemu package, versions <2.1+dfsg-5

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.04% (6th percentile)
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NVD
4 medium
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Red Hat
5 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-QEMU-427647
  • published 7 Nov 2014
  • disclosed 7 Nov 2014
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Introduced: 7 Nov 2014

CVE-2014-3640 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

Upgrade Debian:unstable qemu to version 2.1+dfsg-5 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 sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket.