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Out-of-bounds Read Affecting qemu package, versions <1:4.1-1

low

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.06% (24th percentile)
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NVD
5.5 medium
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Red Hat
5 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-QEMU-428248
  • published 19 Dec 2018
  • disclosed 20 Dec 2018
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Introduced: 19 Dec 2018

CVE-2018-20124 Open this link in a new tab
CWE-125 Open this link in a new tab

How to fix?

Upgrade Debian:unstable qemu to version 1:4.1-1 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:unstable relevant fixed versions and status.

hw/rdma/rdma_backend.c in QEMU allows guest OS users to trigger out-of-bounds access via a PvrdmaSqWqe ring element with a large num_sge value.